Remove security issue xstream and plexus-utils

Some of these were ommitted from compile while others
were not completely ommitted.

Upgraded maven-compiler since it upgraded plexus-utils

Upgraded latest version of jackson-databind 2.9.5

Issue-ID: POLICY-507
Change-Id: If92ff4355329c48fbe76e0245d6c8344ebb8084d
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
5 files changed