Add SASS dependency
Minor README update path to lotr.git
Create SCSS base
Introduce color variables
Set SASS import directory so @import directives work. Separated out colour definitions into _base file, we can use this for other defaults.
Separated out font stacks into _base, and @media breakpoints into _breakpoints.
Collecting common features, setting up the css compression directive
Fixed bug in button mixin
Moved dialog to SASS, further consolidation
Converted editor to SASS, consolidation in progress
Further consolidation of editor
Border consolidation
Merge branch 'css-to-sass' into current-anchorwiki-modern

Conflicts:
	gollum.gemspec
	lib/gollum/app.rb
	lib/gollum/public/gollum/css/dialog.css