move permissions classes out of core module for 3.0 release
Removing search_path property.
Removing printStacktrace from catch block.
Avoid NPE on null password
Unit tests with empty passwords
Merge pull request #82 from abstractj/password

Avoid NPE on null password
added new unit test for large attribute values
documented JPA identity store configuration
documentation edits, minor
PLINK-98 and PLINK-101 for the JPA store.
PLINK-98 and PLINK-101 for the JPA store.
Code cleanup for the JPA config.
PLINK-101 for Relationships using the JPA store.