Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Merge "Created new class ProjectSettingsError."
  - Created new class ProjectSettingsError.

    Raising ProjectSettingsError in ProjectSettings instead of Exception.

    JIRA: SNAPS-135

    Change-Id: I5169dd196775453466ea8d7fe9fa0c8d82b2382a
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index 8e9920d..ad93546 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit 8e9920d2e8bd4a3d404b4589312cdc9510708a37
+Subproject commit ad9354631208bc565dbbade119c6be89b4a6a5d4