[KARAF-2181] Fix jpa feature by removing unused dependency bundles

git-svn-id: https://svn.apache.org/repos/asf/karaf/trunk@1445311 13f79535-47bb-0310-9956-ffa450edef68
Rename spring.version property to prepare multiple version support

git-svn-id: https://svn.apache.org/repos/asf/karaf/trunk@1445548 13f79535-47bb-0310-9956-ffa450edef68
[KARAF-2184] Upgrade to Spring 3.1.4.RELEASE

git-svn-id: https://svn.apache.org/repos/asf/karaf/trunk@1445560 13f79535-47bb-0310-9956-ffa450edef68
[KARAF-1914] Change the log level in KarafJaasAuthenticator

git-svn-id: https://svn.apache.org/repos/asf/karaf/trunk@1445646 13f79535-47bb-0310-9956-ffa450edef68