Include rusha via npm

package.json

@@ -32,7 +32,9 @@
     "test": "grunt test"
   },
   "devDependencies": {
+    "asmcrypto": "git://github.com/openpgpjs/asmcrypto.js.git#openpgp_build",
     "chai": "~3.4.1",
+    "es6-promise": "^1.0.0",
     "grunt": "~0.4.5",
     "grunt-browserify": "~4.0.1",
     "grunt-contrib-clean": "~0.7.0",
@@ -49,14 +51,13 @@
     "grunt-text-replace": "~0.4.0",
     "istanbul": "~0.4.1",
     "mocha": "~2.3.4",
-    "whatwg-fetch": "~0.11.0"
+    "rusha": "^0.8.3",
+    "whatwg-fetch": "~0.11.0",
+    "zlibjs": "~0.2.0"
   },
   "dependencies": {
-    "asmcrypto": "git://github.com/openpgpjs/asmcrypto.js.git#openpgp_build",
-    "es6-promise": "^1.0.0",
     "node-fetch": "^1.3.3",
-    "node-localstorage": "~1.1.2",
-    "zlibjs": "~0.2.0"
+    "node-localstorage": "~1.1.2"
   },
   "repository": {
     "type": "git",

src/crypto/hash/index.js

@@ -1,13 +1,12 @@
 /**
  * @requires crypto/hash/sha
- * @requires crypto/hash/rusha
  * @requires util
  * @requires config
  * @module crypto/hash
  */
 var sha = require('./sha.js'),
   asmCrypto = require('asmcrypto'),
-  rusha = require('./rusha.js'),
+  rusha = require('rusha'),
   config = require('../../config'),
   util = require('../../util.js');