Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Merge "Changes to NetworkSettings, SubnetSettings, and PortSettings constructors to use kwargs."
  - Changes to NetworkSettings, SubnetSettings, and PortSettings constructors to use kwargs.

    And changed line lengths to 79 for pep8

    JIRA: SNAPS-99

    Change-Id: Iedb3ff663dc9d71ce774b5c4c1d0bef601f792da
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index 5f717ab..5f635fb 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit 5f717ab488777c4770d9edd20baa2d67dc6a9dee
+Subproject commit 5f635fb4354797e16d820dc2a3ac36f5ea2c5163