Updated git submodules

Project: appc master 42526790eb146a842307bcfb35adb50d1673a7f6

Removing duplicate dependency

The dblib artifact is listed twice which
is causing errors in maven site generation.

Change-Id: If7b023b71700991738f049e2307c256bfeaaf856
Signed-off-by: Patrick Brady <pb071s@att.com>
Issue-id: APPC-266

diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index c645cb8..4252679 160000 (submodule)
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit c645cb8f522294ab1a06be3d83fbee4af1b532e2
+Subproject commit 42526790eb146a842307bcfb35adb50d1673a7f6