try https://github.com/ruleant/getback_gps/blob/master/.travis.yml to
bulid android.
https://github.com/YousukeTezuka/Ant/blob/6eff5823c32689b022b3b717fb745d855f10c9b1/.travis.yml
Closes #20. Merge branch 'master' of github.com:MadeInChina/ripple-lib-java

Conflicts:
	.travis.yml