[KARAF-2649] Add spring-security 3.1.4.RELEASE feature
[KARAF-2635] Set felix.fileinstall.log.level to 3
[KARAF-2681] Upgrade to Pax-Web 3.0.6
[KARAF-2683] Downgrade to OpenJPA 2.2.2
[KARAF-2679] Set blueprint and spring deployers thread safe