Optimize travis builds (#12)
Optimize travis builds (#12)

* Update .travis.yml
hexxcointakeover/hexxcoin,hexxcointakeover/hexxcoin,hexxcointakeover/hexxcoin,hexxcointakeover/hexxcoin,hexxcointakeover/hexxcoin,hexxcointakeover/hexxcoin,hexxcointakeover/hexxcoin,hexxcointakeover/hexxcoin,hexxcointakeover/hexxcoin,hexxcointakeover/hexxcoin