AS7-6474: move return to proper place
[AS7-6346] Testcase for EJB security context propagation based on ejb-security-interceptors quickstart
[AS7-6436] one more place to fix ServerSetupTask.tearDown() methods call ordering
AS7-6407 - improve security transformers

* add support for discardOperations(String ... ops) to builder API
Remove Op also needs to be transformed
Fix resource transformer & handling of add vs write-attribute ops
Some cosmetic fixes
Additional testing for expression rejection

* some fixes after review
Better transformers tests for adding and removing modules