using sudo: false for faster travis builds
using sudo: false for faster travis builds

see: http://blog.travis-ci.com/2014-12-17-faster-builds-with-container-based-infrastructure/

nikolas/jpm,matraska23/jpm,jsantell/jpm,johannhof/jpm,mozilla/jpm,alexduch/jpm,Medeah/jpm,johannhof/jpm,alexduch/jpm,alexduch/jpm,mozilla/jpm,Medeah/jpm,benbasson/jpm,mozilla-jetpack/jpm,matraska23/jpm,mozilla/jpm,kkapsner/jpm,rpl/jpm,jsantell/jpm,jsantell/jpm,johannhof/jpm,mozilla-jetpack/jpm,rpl/jpm,benbasson/jpm,benbasson/jpm,Medeah/jpm,wagnerand/jpm,nikolas/jpm,wagnerand/jpm,matraska23/jpm,freaktechnik/jpm,guyzmuch/jpm,mozilla-jetpack/jpm,rpl/jpm,freaktechnik/jpm,guyzmuch/jpm,freaktechnik/jpm,wagnerand/jpm,kkapsner/jpm,nikolas/jpm,kkapsner/jpm,guyzmuch/jpm