Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Added support for Glance v2

    Updated copyright date on new and edited files to current year.

    JIRA: SNAPS-66

    Change-Id: I491157d6ced8bd9322f99272fc14e00168faaf29
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index 02fa5b4..becbbab 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit 02fa5b4fcc78e8ea7cb34acd1175ede6af48df00
+Subproject commit becbbabc63b0eff15ed6979947aeb75ddf6819c9