Update git submodules

* Update docs/submodules/policy/engine.git from branch 'master'
  to 1c67caa3a748649504ae60cd2db7fdec79903d0b
  - Portal SDK upgrade to 2.6.0 in policy engine

    	- Modified poms to upgrade epsdk dependency from 2.4.0 to
    	2.6.0-SNAPSHOT
            - Work in progress, still needs to be tested in the lab

    Change-Id: I5c7df08ed84ef12824d4fdc2ef6f578d6dce7488
    Issue-ID: POLICY-1539
    Signed-off-by: Michael Mokry <michael.mokry@att.com>

diff --git a/docs/submodules/policy/engine.git b/docs/submodules/policy/engine.git
index dc6697b..1c67caa 160000 (submodule)
--- a/docs/submodules/policy/engine.git
+++ b/docs/submodules/policy/engine.git
@@ -1 +1 @@
-Subproject commit dc6697bc577a5ba1d423ca2e1a3b604528461479
+Subproject commit 1c67caa3a748649504ae60cd2db7fdec79903d0b