Upgrade springframework 4.3.18.RELEASE

To resolve security issue for 4.3.15.RELEASE and also
have a single place where the dependency is defined for
the sub-modules.

NOTE: 4.2.0.RELEASE is left alone in Policy SDK App
due to Portal SDK dependency.

Issue-ID: POLICY-1063
Change-Id: Ibdc464b16b4771faccb2c8c472efa7fbcbf3352c
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
6 files changed