[KARAF-2434] Fix the JAAS ListUsersCommand and include the group role add/delete commands

git-svn-id: https://svn.apache.org/repos/asf/karaf/trunk@1528749 13f79535-47bb-0310-9956-ffa450edef68
[KARAF-2435] Fix blueprint descriptor for MBean server

git-svn-id: https://svn.apache.org/repos/asf/karaf/trunk@1528755 13f79535-47bb-0310-9956-ffa450edef68
[KARAF-2500] Karaf should monitor the lock file existence

git-svn-id: https://svn.apache.org/repos/asf/karaf/trunk@1529101 13f79535-47bb-0310-9956-ffa450edef68
[KARAF-2499] Karaf should exit if the data directory is deleted

git-svn-id: https://svn.apache.org/repos/asf/karaf/trunk@1529102 13f79535-47bb-0310-9956-ffa450edef68
[KARAF-2501] Break some bundle dependencies in the console

git-svn-id: https://svn.apache.org/repos/asf/karaf/trunk@1529140 13f79535-47bb-0310-9956-ffa450edef68