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
upgrade guava to 13.0.1
Get rid of few deprecation uses
AS7-4471 - Error when adding configuration child to configadmin subsystem
Remove configadmin(part of osgi) from default configs
[AS7-6480] Fixed JavaMail IMAP SSL sessions not working properly.