add test for em unit mixin
remove node modules
add node modules to gitignore message
remove make file, update readme with testing details, update package to include updated test runner
found it was more performate by ~10ms if the ie mixin was first
added tests for clearfix, ie, media, and width-height
include require statement in clearfix, change file name of hidpi test file
Merge pull request #1 from timjgleeson/master

Add framework for testing stylus mixins