QPID-4445: make the jar file produced by the JCA module use 'jca' in its name rather than 'ra', add support for generating maven artifacts for the jar and the packaged rar.


git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1454935 13f79535-47bb-0310-9956-ffa450edef68