Moved Customizations extension to the new module framework

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rename : bootstrap.js => main.js
Updated to changes of the WindowObserver API
Updated compatibility info
Removed outdated parameter
Marked as compatible with Firefox 14 & Co.
Stopped using nsIJSXMLHttpRequest interface, replaced by nsIXMLHttpRequest
Marked as compatible with Firefox 15 & Co.
Backed out changeset ec4c250c77bb (Topic 9249 - Added option to make subscription titles bold), this is part of Adblock Plus now
Backed out changeset 6add036e61f1 (Topic 9249 - Add option to disable italics in the Filter Preferences window), this is part of Adblock Plus now
Removed "Remove Enabled checkbox label" option, Adblock Plus no longer shows that label by default
Updated "Subscription info on one line" feature to recent Adblock Plus changes
Bumped compatibility
Moved modules to the lib/ directory

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rename : main.js => lib/main.js
Moved prefs.js from a subdirectory of defaults/ directly into the defaults/ directory

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rename : defaults/preferences/prefs.js => defaults/prefs.js
Removed no longer required metadata flags
Hide context menu items in ABP 2.1
Updated "Subscription info on one line" for Adblock Plus 2.1
Releasing Customizations for Adblock Plus 1.0.1
Added tag 1.0.1 for changeset bd0a7e93f6c5
Bumped version number for development