Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Added ability for integration tests to define additional
    existing users to a project.

    Change-Id: I91be434dcd7b580f3bfd69e3a97b9a9a13ee4676
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index f5ff39b..8a60bed 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit f5ff39bd0b32c5d3c31bc21cb1f560161c559894
+Subproject commit 8a60bedb302428719b81172cd65c0718ccb43041