Add preferences action
Add icons resource
Merge pull request #108 from captainbrosset/master

i can haz cross-browser css3 gradient
New layout: application actions sticking to the right edge
Adding drawer prototype
correct slider init value and better FX slider event handling
Added back the -webkit prefix for radial-gradient used on body
Fix preview frames scrollers

They were not properly updated when content was re-becoming smaller
than the scroller.
Moving settings markup to drawer
Adding SettingsController
Remove bad/deprecated TODOs
Initial quick design for right settings drawer
Move toggling code to settingscontroller
adding the -webkit prefix to the body background for safari support too
Nit: fix indentation
Small settings panel styles update
Adding simple backgorund picker (without persistence)
Adding TODOs related to namespace cleaning
Add basic UserSettings persistence static utility.

Based on localStorage for now.
Create an event based UserSettings and use it for the grid diplay state.