BZ-1034720 - Language property missing from GetTasksByVariousFieldsCommand
BZ-1025820: BZ-1025875: Renaming the plugin to allow it to reside on the same JON/RHQ instance as the 5.x plugin. Updating matches properties to work with the new property names in BRMS/BPMS 6.
(cherry picked from commit fad261b5133022905ebba44a12e4b38c7a21109d)