updated Sass to 3.2
Use HTTPS for Rubygems

It is now recommended to use HTTPS for connecting to Rubygems.
Merge pull request #1291 from stevenharman/patch-1

Use HTTPS for Rubygems
Merge remote-tracking branch 'octopress/master' into source

Conflicts:
	Gemfile.lock
Merge remote-tracking branch 'github/source' into source
Blogged 'Using Git Submodules for Maven Artifacts Not in Central'