Update git submodules

Update git submodules

* Update docs/submodules/policy/engine.git from branch 'master'
  to 102d5151bc603961ebd2b232f97edb313f70b138
  - Merge "Fix issue for policies not loading on GUI push tab"
  - Fix issue for policies not loading on GUI push tab

    	- found the problem to be with a line of code to add all the
    	scopes from the role to a Set of scopes.  when the scopes
    	attribute in the role object is null it logs an exception and
    	fails to load policies.  I added a new method to check the value
    	of the roles.getScopes() for null and only attempt to add the
    	scope to the set if it is not null

    	- I created a separate method to do this in order to avoid an
    	increase in technical debt as it would have added to the
    	complexity if I kept it in the same method.

    	- PATCH 4: Added scopes to the method arguments in order to
    	avoid overwriting scopes that are added in prevous interations
    	of the loop.

    	- PATCH 5: removed redundant scopes assignment per Jorge's
    	review.

    Change-Id: Ifcc8775d3db8ecc722ee6806310a58ecb4e15856
    Issue-ID: POLICY-1981
    Signed-off-by: Michael Mokry <michael.mokry@att.com>