Run tests on node v0.12
Run tests on node v0.12

Also use containers

peterkinalex/stylus-1,modulexcite/stylus,cemoulto/stylus,jameswomack/stylus,tyv/stylus,Zagorakiss/stylus,johnnycopperstone/stylus,baotingfang/stylus,Ricardh522/stylus,silvaemota/stylus,jonpacker/stylus,stylus/stylus,yetone/stylus,PeterWangPo/stylus,jangarcia/stylus,ThiagoGarciaAlves/stylus,a-x-/stylus,Delapouite/stylus,angryrobot/stylus,meteor/stylus,galenvagen/stylus,trixter5/stylus