Merge commit 'f951ecaebcf0baf172e5fe57bb362572fb8fd738'

Conflicts:
	src/main/java/org/datanucleus/store/rdbms/adapter/MSSQLServerAdapter.java
	src/main/java/org/datanucleus/store/rdbms/adapter/PostgreSQLAdapter.java
	src/main/java/org/datanucleus/store/rdbms/mapping/java/EnumMapping.java
	src/main/java/org/datanucleus/store/rdbms/sql/expression/EnumLiteral.java
* use correct version for reimport own package instead of Datanucleus Core version. Allow use different minor versions of Core and RDBMS in OSGI container.
Merge branch 'master' into CITC
[maven-release-plugin] prepare release datanucleus-rdbms-4.0.0-CITC23