AS7-5737 extend LdapExtLoginModule tests to cover referrals in role search
AS7-5737 If the factory class in the reference is null search for a URL provider
[AS7-5737] fixing interpretation of java.naming.referral=throw system
property interpretation. It catches the ReferralException and continue
searching the referral.
Changing PicketBox version to fix the [AS7-5737] issue.
AS-5737 workaround for ApacheDS IPv6 issue in LdapUrl class (DIRAPI-125)
[AS7-6664] Set the enabled attribute in the legacy enable/disable operations.

Added tests for each writable attribute. Fixed issues found by the tests.
[AS7-6697]; remove VFS resource loader usage.
Addressing AS7-6731 [bz920113]

Module dependency on xalan now uses services=import
Adding javadoc to various bits of the code
Fixes an issue where an error during sanitation causes
0 length files to be stored in the archive.
Upgrade few plugins & dependencies

* arquillian
* shrinkwrap
* checkstyle
* + fix problems that resulted as part of upgrades