Update git submodules

* Update docs/submodules/vid.git from branch 'master'
  to b4af2036941854aa45aa9d53e06bd92de5a842d3
  - Can't delete the second vfModule in drawing board - fix.

    Given two vfModules created under the same vnf,
    when try to delete the second vfModule its status not updated to deleted.
    Issue-ID: VID-819

    Signed-off-by: Alexey Sandler <alexey.sandler@intl.att.com>
    Change-Id: Ie0c349d78940161d66a125782d917d28988e3c9d
    Signed-off-by: Alexey Sandler <alexey.sandler@intl.att.com>

diff --git a/docs/submodules/vid.git b/docs/submodules/vid.git
index 87be3e5..b4af203 160000 (submodule)
--- a/docs/submodules/vid.git
+++ b/docs/submodules/vid.git
@@ -1 +1 @@
-Subproject commit 87be3e57618838a5284303759c5ec432a319c5c6
+Subproject commit b4af2036941854aa45aa9d53e06bd92de5a842d3