Updated git submodules

Updated git submodules

Project: policy/engine master daee922e51e60c3cad6a3cc691214a34aad9ac7f

Add license to policy-engine files

Added license to various files.
Updated XACMLPolicyScanner to work even when license comment
is added to the Policy.xml file.
Moved DOCTYPE before license in html files.
Removed license from css files, as many are generated or
come from third-party software.
Removed license from other generated files.

Change-Id: I9d98ca9f552a6eae17e80ef27fc7045cc4f27b8e
Issue-ID: POLICY-741
Signed-off-by: Jim Hahn <jrh3@att.com>