Add Travis cache to mitigate Travis build errors
Add Travis cache to mitigate Travis build errors

Signed-off-by: cristian-garcia <c4ed6e0fb649b49f7d3c9ba112f5ab403f35b4ef@scmspain.com>

gradle/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,blindpirate/gradle,blindpirate/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,gradle/gradle,gradle/gradle,gradle/gradle,blindpirate/gradle,gradle/gradle,gradle/gradle,gradle/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,blindpirate/gradle