diff --git a/.gitignore b/.gitignore
index bc9861160..742aa638c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ config/local/*.js
 !config/local/local.js
 unpacked/config/local/*.js
 !unpacked/config/local/local.js
+node_modules
\ No newline at end of file
diff --git a/Gruntfile.js b/Gruntfile.js
new file mode 100644
index 000000000..9b1c220e8
--- /dev/null
+++ b/Gruntfile.js
@@ -0,0 +1,419 @@
+/*
+MathJax-grunt-cleaner
+=====================
+A grunt file to reduce the footprint of a MathJax installation
+
+Latest version at https://github.com/pkra/MathJax-grunt-cleaner
+
+Copyright (c) 2014 Mathjax Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+module.exports = function(grunt) {
+  "use strict";
+  //   # Notes #
+  //   NEVER remove:
+  //
+  //   * LICENSE -- the Apache license.
+  //   * jax/element/mml -- this implements MathJax"s internal format. Keep either the packed or unpacked copy.
+  //
+
+  grunt.initConfig({
+    pkg: grunt.file.readJSON("package.json"),
+    clean: {
+      //
+      // ## Early choices
+      // `unpacked` for development
+      // ``packed` for production
+      unpacked: [
+        "unpacked"
+      ],
+      packed: [
+        "config",
+        "docs",
+        "extensions",
+        "jax",
+        "localization",
+        "MathJax.js"
+      ],
+      // If you don"t need combined configuration files or want to build your own:
+      allConfigs: [
+        "config",
+        "unpacked/config"
+      ],
+      //
+      // ## Choosing a font
+      // See http://docs.mathjax.org/en/latest/font-support.html#font-configuration for background information
+      //
+      // 1. Remove font files and font data for fonts you won"t use.
+      //    **IMPORTANT.** Make sure to prevent fallbacks and local fonts in your configuration!
+      //
+      //
+      fontAsana: [
+        "fonts/HTML-CSS/Asana-Math",
+        "jax/output/HTML-CSS/fonts/Asana-Math",
+        "unpacked/jax/output/HTML-CSS/fonts/Asana-Math",
+        "jax/output/SVG/fonts/Asana-Math",
+        "unpacked/jax/output/SVG/fonts/Asana-Math"
+      ],
+      fontGyrePagella: [
+        "fonts/HTML-CSS/Gyre-Pagella",
+        "jax/output/HTML-CSS/fonts/Gyre-Pagella",
+        "unpacked/jax/output/HTML-CSS/fonts/Gyre-Pagella",
+        "jax/output/SVG/fonts/Gyre-Pagella",
+        "unpacked/jax/output/SVG/fonts/Gyre-Pagella"
+      ],
+      fontGyreTermes: [
+        "fonts/HTML-CSS/Gyre-Termes",
+        "jax/output/HTML-CSS/fonts/Gyre-Termes",
+        "unpacked/jax/output/HTML-CSS/fonts/Gyre-Termes",
+        "jax/output/SVG/fonts/Gyre-Termes",
+        "unpacked/jax/output/SVG/fonts/Gyre-Termes"
+      ],
+      fontLatinModern: [
+        "fonts/HTML-CSS/Latin-Modern",
+        "jax/output/HTML-CSS/fonts/Latin-Modern",
+        "unpacked/jax/output/HTML-CSS/fonts/Latin-Modern",
+        "jax/output/SVG/fonts/Latin-Modern",
+        "unpacked/jax/output/SVG/fonts/Latin-Modern"
+      ],
+      fontNeoEuler: [
+        "fonts/HTML-CSS/Neo-Euler",
+        "jax/output/HTML-CSS/fonts/Neo-Euler",
+        "unpacked/jax/output/HTML-CSS/fonts/Neo-Euler",
+        "jax/output/SVG/fonts/Neo-Euler",
+        "unpacked/jax/output/SVG/fonts/Neo-Euler"
+      ],
+      fontStix: [
+        "fonts/HTML-CSS/STIX",
+        "jax/output/HTML-CSS/fonts/STIX",
+        "unpacked/jax/output/HTML-CSS/fonts/STIX",
+        "jax/output/SVG/fonts/STIX",
+        "unpacked/jax/output/SVG/fonts/STIX"
+      ],
+      fontStixWeb: [
+        "fonts/HTML-CSS/STIX-Web",
+        "jax/output/HTML-CSS/fonts/STIX-Web",
+        "unpacked/jax/output/HTML-CSS/fonts/STIX-Web",
+        "jax/output/SVG/fonts/STIX-Web",
+        "unpacked/jax/output/SVG/fonts/STIX-Web"
+      ],
+      fontTeX: [
+        "fonts/HTML-CSS/TeX",
+        "jax/output/HTML-CSS/fonts/TeX",
+        "unpacked/jax/output/HTML-CSS/fonts/TeX",
+        "jax/output/SVG/fonts/TeX",
+        "unpacked/jax/output/SVG/fonts/TeX"
+      ],
+      //
+      // Remove font formats
+      // If you know you only need a specific format of your remaining fonts (e.g., woff), then you can delete the others.
+      dropFonts: [ // if you use SVG output, you can drop all font formats (SVG output uses the data in `jax/output/SVG/fonts/...`)
+        "fonts"
+      ],
+      eot: [
+        "fonts/**/eot"
+      ],
+      otf: [
+        "fonts/**/otf"
+      ],
+      png: [
+        "fonts/**/png"
+      ],
+      svg: [ // **NOT** related to the SVG output!
+        "fonts/**/svg"
+      ],
+      woff: [
+        "fonts/**/woff"
+      ],
+      // ## Choose the input
+      //    Remove input that you don"t need.
+      //    **Note.** This includes combined configuration files.
+      asciimathInput: [
+        "config/AM*",
+        "config/TeX-MML-AM*",
+        "jax/input/AsciiMath",
+        "unpacked/config/AM*",
+        "unpacked/config/TeX-MML-AM*",
+        "unpacked/jax/input/AsciiMath"
+      ],
+      mathmlInput: [
+        "config/MML*",
+        "config/TeX-MML*",
+        "config/TeX-AMS-MML*",
+        "jax/input/MathML",
+        "unpacked/config/MathML*",
+        "unpacked/jax/input/MathML"
+      ],
+      texInput: [
+        "config/TeX*",
+        "jax/input/TeX",
+        "unpacked/config/TeX*",
+        "unpacked/jax/input/TeX"
+      ],
+      // ## Extensions
+      extensionsAsciimath: [
+        "extensions/asciimath2jax.js",
+        "unpacked/extensions/asciimath2jax.js"
+      ],
+      extensionsMathml: [
+        "extensions/MathML",
+        "extensions/mml2jax.js",
+        "unpacked/extensions/MathML",
+        "unpacked/extensions/mml2jax.js"
+      ],
+      extensionsTeX: [
+        "extensions/TeX",
+        "extensions/jsMath2jax.js",
+        "extensions/tex2jax.js",
+        "unpacked/extensions/TeX",
+        "unpacked/extensions/jsMath2jax.js",
+        "unpacked/extensions/tex2jax.js"
+      ],
+      extensionHtmlCss: [
+        "extensions/HTML-CSS",
+        "unpacked/extensions/HTML-CSS"
+      ],
+      // ## Choose Output
+      htmlCssOutput: [
+        "config/*HTMLorMML.js",
+        "config/*HTMLorMML-full.js",
+        "unpacked/config/*HTMLorMML.js",
+        "unpacked/config/*HTMLorMML-full.js",
+        "jax/output/HTML-CSS",
+        "unpacked/jax/output/HTML-CSS"
+      ],
+      mathmlOutput: [
+        "config/*HTMLorMML.js",
+        "config/*HTMLorMML-full.js",
+        "unpacked/config/*HTMLorMML.js",
+        "unpacked/config/*HTMLorMML-full.js",
+        "jax/output/NativeMML",
+        "unpacked/jax/output/NativeMML"
+      ],
+      svgOutput: [
+        "config/*SVG.js",
+        "config/*SVG-full.js",
+        "unpacked/config/*SVG.js",
+        "unpacked/config/*SVG-full.js",
+        "jax/output/SVG",
+        "unpacked/jax/output/SVG"
+      ],
+      commonHtmlOutput: [
+        "configs/*CHTML.js",
+        "configs/*CHTML-full.js",
+        "unpacked/config/*CHTML.js",
+        "unpacked/configs/*CHTML-full.js",
+        "jax/output/CommonHTML",
+        "unpacked/jax/output/CommonHTML",
+        "extensions/CHTML-preview.js",
+        "unpacked/extensions/CHTML-preview.js"
+      ],
+      previewHtmlOutput: [
+        "jax/output/PreviewHTML",
+        "unpacked/jax/output/PreviewHTML",
+        "extensions/fast-preview.js",
+        "unpacked/extensions/fast-preview.js",
+        "extensions/CHTML-preview.js",
+        "unpacked/extensions/CHTML-preview.js"
+      ],
+      plainSourceOutput: [
+        "jax/output/PlainSource",
+        "unpacked/jax/output/PlainSource"
+      ],
+      //  ## Locales
+      //  Removes all locale files. Change this as needed to keep your preferred language.
+      //  **NOTE.** English strings are hardcoded.
+      //  **NOTE.** If you fix the locale, drop the menu entry: http://docs.mathjax.org/en/latest/options/MathMenu.html#configure-mathmenu
+      locales: [
+        "localization",
+        "unpacked/localization"
+      ],
+      // ## Misc.
+      miscConfig: [
+        "config/local",
+        "unpacked/config/local",
+        "config/Accessible-full.js",
+        "unpacked/config/Accessible-full.js",
+        "config/Accessible.js",
+        "unpacked/config/Accessible.js",
+        "config/default.js",
+        "unpacked/config/default.js",
+        "config/Safe.js",
+        "unpacked/config/Safe.js"
+      ],
+      a11yExtensions: [
+        "extensions/AssistiveMML.js",
+        "unpacked/extensions/AssistiveMML.js"
+      ],
+      miscExtensions: [
+        "extensions/FontWarnings.js",
+        "extensions/HelpDialog.js",
+        "extensions/MatchWebFonts.js",
+        "extensions/MathEvents.js",
+        "extensions/MathMenu.js",
+        "extensions/MathZoom.js",
+        "extensions/Safe.js",
+        "extensions/CHTML-preview.js",
+        //        "extensions/toMathML.js",  // only remove `toMathML.js` if you know exactly what you are doing.
+        "unpacked/extensions/FontWarnings.js",
+        "unpacked/extensions/HelpDialog.js",
+        "unpacked/extensions/MatchWebFonts.js",
+        "unpacked/extensions/MathEvents.js",
+        "unpacked/extensions/MathMenu.js",
+        "unpacked/extensions/MathZoom.js",
+        "unpacked/extensions/Safe.js",
+        "unpacked/extensions/CHTML-preview.js"
+        //        "unpacked/extensions/toMathML.js",  // only remove `toMathML.js` if you know exactly what you are doing.
+      ],
+      images: [
+        "images" // these are used in the menu. Removing them will give you 404 errors but nothing will break.
+      ],
+      notcode: [
+        ".gitignore",
+        "docs",
+        "test",
+        "CONTRIBUTING.md",
+        "README-branch.txt",
+        "README.md",
+        "bower.json",
+        "composer.json",
+        ".npmignore",
+        "package.json"
+      ]
+    },
+    "regex-replace": {
+      // disable image fonts in default HTML-CSS config
+      noImageFont: {
+        src: ['unpacked/jax/output/HTML-CSS/config.js'],
+        actions: [
+          {
+            name: 'nullImageFont',
+            search: /imageFont:[^,]+,/,
+            replace: 'imageFont: null,',
+          }
+        ]
+      }
+    }
+  });
+
+  grunt.loadNpmTasks("grunt-contrib-clean");
+  grunt.loadNpmTasks('grunt-regex-replace');
+
+  grunt.registerTask("component", [
+    // components-mathjax excludes only PNG fonts
+    "regex-replace:noImageFont",
+    "clean:png",
+  ]);
+
+  grunt.registerTask("template", [
+    // **Notes** on the template. When instructions say "Pick one", this means commenting out one item (so that it"s not cleaned).
+    //
+    //      Early choices.
+    "clean:unpacked",
+    "clean:packed", // pick one -- packed for production, unpacked for development.
+    "clean:allConfigs", // if you do not need any combined configuration files.
+    //      Fonts. Pick at least one! Check notes above on configurations.
+    "clean:fontAsana",
+    "clean:fontGyrePagella",
+    "clean:fontGyreTermes",
+    "clean:fontLatinModern",
+    "clean:fontNeoEuler",
+    "clean:fontStix",
+    "clean:fontStixWeb",
+    "clean:fontTeX",
+    //      Font formats. Pick at least one (unless you use SVG output; then clean all).
+    "clean:dropFonts", // when using SVG output
+    "clean:eot",
+    "clean:otf",
+    "clean:png",
+    "clean:svg",
+    "clean:woff",
+    //      Input. Pick at least one.
+    "clean:asciimathInput",
+    "clean:mathmlInput",
+    "clean:texInput",
+    //       Output
+    "clean:htmlCssOutput",
+    "clean:mathmlOutput",
+    "clean:svgOutput",
+    // Extensions. You probably want to leave the set matching your choices.
+    "clean:extensionsAsciimath",
+    "clean:extensionsMathml",
+    "clean:extensionsTeX",
+    "clean:extensionHtmlCss",
+    // Other items
+    "clean:locales",
+    "clean:miscConfig",
+    //        "clean:miscExtensions", // you probably want that
+    "clean:images",
+    "clean:notcode"
+  ]);
+  grunt.registerTask("MML_SVG_TeX", [
+    //      Early choices.
+    "clean:unpacked",
+    //        "clean:packed", // pick one -- packed for production, unpacked for development.
+    "clean:allConfigs", // if you do not need any combined configuration files.
+    //      Fonts. Pick at least one! Check notes above on configurations.
+    "clean:fontAsana",
+    "clean:fontGyrePagella",
+    "clean:fontGyreTermes",
+    "clean:fontLatinModern",
+    "clean:fontNeoEuler",
+    "clean:fontStix",
+    "clean:fontStixWeb",
+    //        "clean:fontTeX",
+    //      Font formats. Pick at least one (unless you use SVG output; then clean all).
+    "clean:dropFonts", // when using SVG output
+    "clean:eot",
+    "clean:otf",
+    "clean:png",
+    "clean:svg",
+    "clean:woff",
+    //      Input. Pick at least one.
+    "clean:asciimathInput",
+    //        "clean:mathmlInput",
+    "clean:texInput",
+    //       Output
+    "clean:htmlCssOutput",
+    "clean:mathmlOutput",
+    //        "clean:svgOutput",
+    // Extensions. You probably want to leave the set matching your choices.
+    "clean:extensionsAsciimath",
+    //        "clean:extensionsMathml",
+    "clean:extensionsTeX",
+    "clean:extensionHtmlCss",
+    // Other items
+    "clean:locales",
+    "clean:miscConfig",
+    //        "clean:miscExtensions", // you probably want that
+    "clean:images",
+    "clean:notcode"
+  ]);
+  grunt.registerTask("mjNode", [
+    "clean:packed",
+    "clean:allConfigs",
+    "clean:dropFonts",
+    "clean:htmlCssOutput",
+    "clean:locales",
+    "clean:miscConfig",
+    "clean:images",
+    "clean:notcode",
+    "clean:miscExtensions"
+  ]);
+};