Revert "Disabled TravisCI cache for the maven repositories (doesn't work well with snapshots)"
Revert "Disabled TravisCI cache for the maven repositories (doesn't work well with snapshots)"

This reverts commit 5ff277ced7a8b2c58aea24951741030567ec264a.

thymeleaf/thymeleaf-tests,thymeleaf/thymeleaf-tests,thymeleaf/thymeleaf-tests