Updated git submodules

Updated git submodules

Project: policy/engine master c9039d15e8a84a9304fba40283a332a2a65ef854

Merge "Upgrade dependencies to clear security issues"

Upgrade dependencies to clear security issues

A bit of consolidation too - which could use a lot more work. These
were simple security upgrades for fixes identified by LF weekly LCM job.
Added some missing license headers.

Issue-ID: POLICY-507
Change-Id: If285b0f95d30a1084c9363bf6a41b48d52fb3aff
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>