Problem in travis.yml

[cgoncas]

For example in https://travis-ci.org/cgoncas/arquillian-extension-liferay/builds/88831348 we get the error:

$ travis_wait mvn -DskipTests=true -Dmaven.javadoc.skip=true -B -Vinstall
Still running (20 of 20): mvn -DskipTests=true -Dmaven.javadoc.skip=true -B -Vinstall
Timeout (20 minutes) reached. Terminating "mvn -DskipTests=true -Dmaven.javadoc.skip=true -B -Vinstall"
The command "travis_wait mvn -DskipTests=true -Dmaven.javadoc.skip=true -B -Vinstall" failed and exited with 1 during .