Upgrade dependencies

Changes to eclipselink are incompatible with javax-persistence-api so
removed the latter.
Also added target-database property.
Also replaced string constants with eclipselink constants.
Per review comments, moved target-database values to property files.

Issue-ID: POLICY-3005
Change-Id: I043203a952d54406a5996c1e8b5ba8936bf558c0
Signed-off-by: Jim Hahn <jrh3@att.com>
20 files changed