Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Updated installation documents and fixed problems found during investigation.

    The code changes are primarily required when the runtime environment is Windows.

    JIRA: SNAPS-75

    Change-Id: Ia2134861dd96e1d2c4b597f42fb348929e787a51
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index 74386c6..5718894 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit 74386c6efb02cc352b0b090b7150813960ca1c95
+Subproject commit 5718894fcfb3e44dd08435cf71d2f1094425bed5