Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Adds Stack Update

    Adds function to allow stack update to
    occur.

    Includes higher level object calls for stack
    update.

    Added blocking parameter to create() and update()
    Rebase screwed up some changes.
    Added new test to test_suite_builder.py and updated
    IntegrationTests.rst accordingly

    Change-Id: I4558befb3ea8ea7982faff79d1ebb54fbb3d44a7
    Signed-off-by: mbeierl <mark.beierl@dell.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index b2590d7..0175fee 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit b2590d79a80dc12948d028ffee5b911b59daa777
+Subproject commit 0175feef9f00ea7595e4f7cc13f3b7a9c26e9a02