rake convert
Update converter (modular mixins)
rake convert

Conflicts:
	lib/bootstrap-sass/version.rb
	vendor/assets/stylesheets/bootstrap/_variables.scss
node-sass test
Update test gems and travis config
Update README.md
added .DS_Store to .gitignore
added tests for mincer font/image helpers
added mincer font/image helpers #551
Force sass-rails ~> 4.0.2 to avoid sprockets error

See rails/sass-rails#191 for more information
Readme: add Mincer section [ci skip]
Simplify mincer test
lock sass-rails to 4.0.2 in development Gemfile [ci skip]
rake convert
converter: fix buttons
rake convert
fix .open .btn-state.dropdown-toggle
Create directory from argument in compile task

Previously, the compile task would always create a tmp/ directory, even
if another directory is specified. The specified directory was also not
created if necessary.
rake convert
readme: specify mincer import ext [ci skip]