JCR-2191: Support Enterprise DB Postgres Plus Advanced Server 9.2
JCR-2191: Support Enterprise DB Postgres Plus Advanced Server 9.2 (doc)
JCR-2191: Prevent java.sql.SQLException: Connection is closed
JCR-2191: Support Enterprise DB Postgres Plus Advanced Server 9.2

Fix description
	- Add PostGgres Plus profile and update documentation
	- Correct behavior when teardown test configuration