Updated the code to place validation annotations directly on the
annotated types instead of using the @Items and @Entries annotations.
Also added/updated junits for validation code.
Issue-ID: POLICY-2648
Change-Id: Ia535da07a38cec77a74c5c3215b5ae784d7a4e1a Signed-off-by: Jim Hahn <jrh3@att.com>