Add JNDI manager class for use with JMS.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/branches/messaging-module@1608335 13f79535-47bb-0310-9956-ffa450edef68
Add javadoc for JndiManager.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/branches/messaging-module@1608337 13f79535-47bb-0310-9956-ffa450edef68
Add more generic implementation of JMS plugins.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/branches/messaging-module@1608338 13f79535-47bb-0310-9956-ffa450edef68
Add license header to config file.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/branches/messaging-module@1608339 13f79535-47bb-0310-9956-ffa450edef68