Update data/release/README.rst

Update with origin for States and Tasmania
ensuring upstream objects added before, not an issue for memory catalog but is for jdbcconfig
changed some default test db params
updated db init scripts to include some convenience views derived from the core table model
fully disabling dbconfig community module, replacing with jdbcconfig artifact
updating copyright header, added openplans copyright, GEOS-5460
updated openplans copyright headers, GSIP-38
GEOS-5548: fixed nested layer groups rest support
Merge pull request #112 from svzdvd/GEOS-5548-nested-groups-5

GEOS-5548: fixed nested layer groups rest support