Dependency Updates

Greetings! Your friendly Depend On bot here with some updates!

I made the following updates:

* primefaces -> 5.0
* arquillian-junit -> 1.0.0.Alpha5
* junit -> 4.11
* hibernate-validator -> 5.1.2.Final
* slf4j-api -> 1.7.7
* hibernate-jpamodelgen -> 4.3.6.Final