[KARAF-2683] Downgrade to OpenJPA 2.2.2
[KARAF-2679] Set Spring and Blueprint deployers thread safe
Copy both linux and win shell scripts when creating an instance
[KARAF-2683] Fix OpenJPA features
[KARAF-2188] Set jpa container start-level earlier than the aries one
KARAF-2691 Adding shell variable for karaf pid
[KARAF-2690] Fix default context rendering with /
KARAF-2691 Adding pid to output of Info command
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/karaf
Minor reordering
Itests for the feature shell commands security ACL
[KARAF-2690] Improve rendering on jndi contexts
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/karaf
Itests for the jaas shell command security ACL

I've also temporarily disabled FeatureSshCommandSecurityTest as it
sometimes fails. Will re-enable once I figured out why
[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)