Added zotero.org link to About panel

Added "About Zotero..." to cog menu

chrome/content/zotero/about.xul

@@ -9,6 +9,7 @@
     xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
     orient="vertical"
 	buttons="accept"
+	buttonlabelaccept="&zotero.about.close;"
 	onload="onLoad();"
 	ondialogaccept="return true;">
 	
@@ -28,6 +29,7 @@
 	
 	<vbox id="aboutcontent">
 		<label id="name" value="&zotero.name;"/>
+		<label class="text-link" href="http://www.zotero.org" value="http://www.zotero.org"/>
 		<label id="version" value="&zotero.version; "/>
 		<script>
 			document.getElementById('version').value += Zotero.version;

chrome/content/zotero/overlay.xul

@@ -86,6 +86,7 @@
 							<menuitem label="&toolbar.export.label;" oncommand="Zotero_File_Interface.exportFile();"/>
 							<menuseparator/>
 							<menuitem label="&toolbar.preferences.label;" oncommand="window.openDialog('chrome://zotero/content/preferences.xul','prefs','chrome,modal')"/>
+							<menuitem label="&toolbar.about.label;" oncommand="window.openDialog('chrome://zotero/content/about.xul','about','chrome,left=' + (window.screenX + 200) + ',top=' + (window.screenY + 100))"/>
 						</menupopup>
 					</toolbarbutton>
 				</toolbar>

chrome/locale/en-US/zotero/about.dtd

@@ -3,4 +3,5 @@
 <!ENTITY zotero.createdby		"Created by:">
 <!ENTITY zotero.directors		"Directors:">
 <!ENTITY zotero.developers		"Developers:">
-<!ENTITY zotero.thanks			"Special thanks:">
+<!ENTITY zotero.thanks			"Special thanks:">
+<!ENTITY zotero.about.close	"Close">

chrome/locale/en-US/zotero/zotero.dtd

@@ -33,6 +33,7 @@
 <!ENTITY toolbar.import.label			"Import...">
 <!ENTITY toolbar.export.label			"Export Library...">
 <!ENTITY toolbar.preferences.label		"Preferences...">
+<!ENTITY toolbar.about.label			"About Zotero...">
 <!ENTITY toolbar.createBibCollection.label   "Create Bibliography From Collection...">
 <!ENTITY toolbar.createBibSavedSearch.label   "Create Bibliography From Saved Search...">
 <!ENTITY toolbar.search.label   			"Search:">