Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Refactoring of ProjectSettings to extend ProjectConfig

    ProjectSettings and keystone_utils have a runtime cyclical
    dependency. This patch reduces this dependency and
    deprecates the ProjectSettings class.

    JIRA: SNAPS-221

    Change-Id: I9e39f09fb8bb03dbd725f44b7256bacb05f26afc
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index 88c1802..2e8f0c2 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit 88c180252d78226e06ecf53a23d4f0eca9815bb8
+Subproject commit 2e8f0c27a1a9e16778f83dba7ca9489664bd92f2