Changed required execution environment to Java 7

Change-Id: Ie65d230e5959c45c57efe46f7ff89ece0d58dca7
Updated vendor information.

Change-Id: I451b8528eb401514aa6bd9201eb9c401ec49d796
Use slf4j as logging backend for infinispan.

Change-Id: Ic78e1e603006f6fbda1d8deef0e0ccb9c965dc50