Remove jQuery document.ready

Everything is fine, everything still works.
Refactor Github plugin into it's own plugin
Refactor Dropbox plugin into it's own plugin
Refactor GoogleDrive plugin into it's own plugin

Also cleaned up GoogleDrive file with spacing of 4
Moved Notifier into it's own file
New Plugins module to handle plugin management

This is the initial code to handle how Plugins will communicate to
Dillinger.
Favicon fix on invalid page loads

There are times where if express returns a page error, there is an
error in the console complaining about not being able to find the
favicon file. This fixes that problem.
Changed build script to include new files
Increment version number in package.json
Updating versioned js/css
Merge pull request #224 from swang/refactor_plugins

Refactor plugins
Updating Ace Editor

Update version to "2014.08.17 Version 1.1.6" of Ace Editor.

This adds new themes and fixes bugs in Ace
Merge pull request #235 from swang/upgrade_to_ace_1.1.6

Updating Ace Editor
Adding Bootstrap 3 Stylus

From: https://github.com/Acquisio/bootstrap-stylus
$baseLineHeight -> $line-height-base
Styling for navbar to work in bootstrap 3

brand -> navbar-brand
Convert to bootstrap 3 glyphicons

Convert .icon class to use .glyphicon class
Add default font Arvo
Modified splash/load screen for bootstrap 3
Update to fix navbar dropdown