[KARAF-2511] Rename jndi list as jndi names

git-svn-id: https://svn.apache.org/repos/asf/karaf/trunk@1550936 13f79535-47bb-0310-9956-ffa450edef68
[KARAF-2511] Add JNDI contexts operation and completers

git-svn-id: https://svn.apache.org/repos/asf/karaf/trunk@1550937 13f79535-47bb-0310-9956-ffa450edef68