Card origin_runtime_148 - append JAVA_OPT_EXT to JAVA_OPT

* Update all JBoss cartridges to allow JAVA_OPT_EXT to be added
  to JAVA_OPT
* Update *_not_exit method names to refute_*
Update documentation
Merge pull request #3307 from jwhonce/wip/java_opt_ext

Merged by openshift-bot