Merge pull request #125 from FezVrasta/master

Updated README screenshots
Escaping is now fine for #116 and also fixes #126
Fix an escaping bug in Windows and JSHint errors
Implementation of #122
Gutters now expand when clicking on numbers too (#119)
Fixes #121
Extension side of #117
Fixes #117
Add Git version to bug reports
Open "Terminal" in Mac (#116)
Fix: give focus to "Terminal" when opening...
Move shell scripts to a separate folder...
Modify terminal script for linux as suggested by @benjaminpick
Fix #128
User can define a custom terminal command in settings (#116)
Implementation of #109
Implementation of #108
Sort labels ...
Font color for hover state of 'Create new branch' menu item should be black (#3)
- Replaced .svg icons with octicons iconic font (from GitHub).
- Added icons to every button and removed labels
- Added tooltips to every button and renamed from BUTTON_* to TOOLTIP_* in the language file.
- Restyled the HTML structure of the git-panel.html, now there aren't double buttons in the markup.