Check the full CSS selector to see if it's valid to allow numeric selectors when manually calling sprite methods
Added a test to ensure importing of numeric filenames for sprites works
Master is now 0.13
Merge pull request #739 from zanker/master

Allow numeric filenames in sprites
changelog for allowing numeric sprite files.
Merge branch 'stable'
Merge branch 'stable'
fix broken test.
Compass 0.13 will depend on Sass 3.2
Update gemfile.
Document selectors in compass modules. This is mostly for upcoming placeholder selectors.
Merge branch 'stable'

Conflicts:
	VERSION.yml
	doc-src/Gemfile.lock
Add 3D transformations with -moz- prefix
Add 3D transformations with -ms- prefix
Add unsupported yet 3D transformations with -o- prefix
merge from ai moz3d
closes #973 closes #979
Move +input-placeholder to the _user-interface partial.
Add example and tests for +input-placeholder.
Merge branch 'stable'

Conflicts:
	VERSION.yml
	doc-src/Gemfile.lock
	doc-src/content/CHANGELOG.markdown
Merge remote-tracking branch 'origin/master'

Conflicts:
	doc-src/content/CHANGELOG.markdown