Merge pull request #2 from larz0/master

Official Git icon + small visual tweaks
Version 0.4.4, great ui stuff by larz0 and some minor tweaks
UI tweak
Slightly modified license file.
Version 0.4.5, attached events to the git panel for opening files on click
Tweaked code a bit.
Version 0.4.6, panel now properly disabled when switching between projects
Minor UI tuning
Fixed issue when clicking on a checkbox in panel switches to another file.
Text in commit diff is now selectable.
Version 0.5.0, added new diff button to show next to the every modified file
Version 0.5.1, undo changes
Show untracked files in panel.
Version 0.5.2, added delete button for untracked files
Added focus to input when commit dialog is shown.
Prototype of Git Push.
Version 0.5.3, fixes #5
Add title to icon when panel is disabled.
Renamed template files.
Show lint problems in the commit dialog.