[KARAF-2549] Fix sub-context automatic creating using alias

git-svn-id: https://svn.apache.org/repos/asf/karaf/trunk@1550509 13f79535-47bb-0310-9956-ffa450edef68
[KARAF-2511] Typo fixes on the webcontainer section of the user guide

git-svn-id: https://svn.apache.org/repos/asf/karaf/trunk@1550510 13f79535-47bb-0310-9956-ffa450edef68
[KARAF-2511] Add JNDI section in the user guide

git-svn-id: https://svn.apache.org/repos/asf/karaf/trunk@1550511 13f79535-47bb-0310-9956-ffa450edef68