Make silence_warnings a global method
Quick docs on sass template
Module hax to only include sass functions during sprockets
Accept a custom sass function or block
Merge branch 'master' into sass-funs
Extract module include helper
Move functions and cache store into SassTemplate
Use new references
Doc sass functions
Make docs more clear
Avoid private sends
Hax to get runing on 1.9.3
Test another scoped mod
Merge pull request #601 from sstephenson/sass-funs

Sass custom function module hacks
Check accept type before paths

Closes #592
Separate resolve tests
Add test for accept type first
Parse accept type list in outer loop
Drop specific global engine config tests
Move resolve to its own concern

Shouldn't be exported globally

Conflicts:
	lib/sprockets/paths.rb