Replace prototype with jquery for the frontend
Bump haml version, add csrf tags to admin layout

Add some icons

Expose layout & variant, expect name for variants in layout config

Refactored menu helper methods, moved to own helper

.gitignore modified do not track personal settings

Disabled default color setting for placeholder js library, should be set in application or through styling not in core

modified:   .gitignore

Hamlified admin/images/new

Added class to images bar, changed styling to use this class instead of id

Added no children selector class to main menu helper

Images controller now responds to format, so png and gif can be generated if the corresponding format is set, otherwise fallback to jpg

Removed inheritance restriction for subsites

Fixed devcms imports in public stylesheets

Updated sass import structure, to better facilitate choice imports

Updated stylesheets naming and structure

Removed double import

Replaced most colors and font-family definitions with variables

Styling: removed some unnecessary scoping, refactored some scoping

Added highlight colors