Removes 0.4 from .travis.yml.
Removes 0.4 from .travis.yml.

johnnycopperstone/stylus,a-x-/stylus,rstacruz/stylus,modulexcite/stylus,PeterWangPo/stylus,trixter5/stylus,behzad88/stylus,tyv/stylus,SimenB/stylus,yetone/stylus,peterkinalex/stylus-1,jameswomack/stylus,baotingfang/stylus,stylus/stylus,angryrobot/stylus,silvaemota/stylus,jonpacker/stylus,Ricardh522/stylus,jangarcia/stylus,Delapouite/stylus,galenvagen/stylus,ThiagoGarciaAlves/stylus,cemoulto/stylus,meteor/stylus,Zagorakiss/stylus,HossainKhademian/Stylus