add flag for forcing slugs to lowercase
Merge branch 'master' of git://github.com/jaketrent/node-slug

Conflicts:
	src/slug.coffee
rm tabs
fixed strange mocha behavior for me

somehow mocha doesn't want to eat pure strings from me :/
allways run build step before running test
use opts object instead of non-rememberable arguments
add usage example
fixed accidently removed allowed chars ' and "
bump version