Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Merge "Changes ImageSettings constructor to use kwargs."
  - Changes ImageSettings constructor to use kwargs.

    And changed line lengths to 79 for pep8.

    JIRA: SNAPS-96

    Change-Id: Ibda4954a4d9a6be4b94a7b2de61d03b25afff8db
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index bd9788f..104f7e1 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit bd9788f5b35dc8e30c8be8a93da6ac2477adfad3
+Subproject commit 104f7e15a579b3187a0cdf819bac77406e536938