Updated git submodules

Project: appc master f6332bdd350b6dafd912fb52642f56a23544d85c

Update license header on appc-adapter xml files

Modify license header on appc-adapter xml and .code_styling xml files to reflect 2018 changes.  I also had to fix the xml_version line syntax for the .code_styling xml files.

Change-Id: I361f64d3d6edbf43b6c7ae06611f64ee183b7d82
Issue-ID: APPC-999
Signed-off-by: John McClung <jm1364@att.com>

diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index cd5f4f6..f6332bd 160000 (submodule)
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit cd5f4f699d6916c4a7e163bc7dbb37d72934cb17
+Subproject commit f6332bdd350b6dafd912fb52642f56a23544d85c