[KARAF-2686] Use a DBCP pooled datasource in the JDBC generic template
[KARAF-2686] Add a note in the user guide about the JDBC generic pooled datasource
[KARAF-2690] Fix JNDI name in the JDBC derby datasource template file
[KARAF-2692] Add a JDBC datasource file name completer for the jdbc:delete command
[KARAF-2692] Add file name completer for jms:delete command
[KARAF-2685] Increase Hibernate bundles start level and remove jpa feature dependency (to give maximum flexibility to the users)
Revert jpa feature dependency remove from openjpa and hibernate ones