Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Added region support.

    Added region_name attribute to OSCreds
    Added region_name to neutron, nova, glance, heat, and keystone
    client retrieval
    Fixed false positive heat connection test.

    JIRA: SNAPS-50 & SNAPS-146

    Change-Id: If3471ed7a2bdd0e6bfc281455c996386d031235d
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index 63ee8af..b8b14d2 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit 63ee8af859678fdf7b82225d5bf40bddef90c0b3
+Subproject commit b8b14d27a2ece042553a82b82fb0a3a7f3896fdf