Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to 65fcc85ae6cb8fe2abcd782f4b7006f80a941126
  - Revert "upgrade databind artifact"

    Fasterxml databind is being brought in to karaf by opendaylight
    and trying to force a different version for the appc components is
    causing class errors.

    This reverts commit 52cf1a81d591efb2b1ee4b8c5a70b137dfb6c212.

    Change-Id: I6d0da2ed081e4abd4b83e8b11935ba43bee0e1aa
    Signed-off-by: Patrick Brady <patrick.brady@att.com>
    Issue-ID: APPC-1533

diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index 003dea2..65fcc85 160000 (submodule)
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit 003dea294fda8a0e4043665dbfe8ff5c3f018d05
+Subproject commit 65fcc85ae6cb8fe2abcd782f4b7006f80a941126