Tweak travis config a bit
Tweak travis config a bit

edunham/regex,SeanRBurton/regex,golddranks/regex,bluss/regex,SeanRBurton/regex,rust-lang-nursery/regex,SeanRBurton/regex,bluss/regex,bluss/regex,edunham/regex,rust-lang-nursery/regex,rust-lang/regex,SeanRBurton/regex,rust-lang-nursery/regex,edunham/regex,rust-lang-nursery/regex,rust-lang-nursery/regex,rust-lang/regex,SeanRBurton/regex,golddranks/regex,rust-lang/regex,golddranks/regex,rust-lang/regex,rust-lang/regex