Align dependencies to WildFly 8 final

This is a first milestone of more cleanups to come:
 - https://hibernate.atlassian.net/browse/HSEARCH-1505
 - https://hibernate.atlassian.net/browse/HSEARCH-1517
 - https://hibernate.atlassian.net/browse/HSEARCH-1518
 - https://hibernate.atlassian.net/browse/HSEARCH-1519
 - https://hibernate.atlassian.net/browse/HSEARCH-1520
 - https://hibernate.atlassian.net/browse/HSEARCH-1521