[#1566] Update to hibernate 4.2.15
[#1566] Partial Fix TransientObjectException when orphanRemoval = true and removing and adding items
[#1503] Partial fix Nested OneToMany relationships with orphanRemoval fails to commit
[#1847] Partial fix Orphan removal not cascaded for @OneToOne relationships

Conflicts:
	framework/src/play/db/jpa/JPABase.java
removed java7 construct introduced in 60111116095c3d8875fa46eb0cdcadce21b5d0d1
[#1566] Update to c3p0-0.9.2.1
[#1566] Add missing hibernate-c3p0-4.2.15 library
*[jobboard] Fix positional parameter warning

Conflicts:
	framework/dependencies.yml
[#1855] Fix AIOOB exception in WS.getQueryString
[#1855] Add test for WS.getQueryString