moving JPA components out of core.
cleaned up log4j dep
session monitor jpa tests

Conflicts:
	cas-server-core/src/test/java/org/jasig/cas/monitor/SessionMonitorTests.java
removed lang3 ref
moving JPA components out of core.
moving JPA components out of core.
cleaned up JPA monitoring tests
Merge branch 'master' into JPA-issue613
Merge pull request #618 from Unicon/JPA-issue613

Move JPA-related components out of core