Extracted javadoc task
Added maven push (should fail)
Only execute maven on 1 travis machine (should still fail)
Added secure signin (should pass?)
Merge branch 'master' into feature_maven

Conflicts:
	.travis.yml
	app/build.gradle
Maven push fixes
Lint fixes
.travis.yml fixes
Merge branch 'master' into feature_maven
Merge branch 'feature_maven'