[DOC-10][DOC-27] Updates to gitmodule and gitignore

Change-Id: Iea5db426b9a9ca46acd9db25f2ea8d9816ec63ad
Signed-off-by: Rich Bennett <rb2745@att.com>
diff --git a/.gitmodules b/.gitmodules
index 90b5cb5..5808453 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,5 @@
 [submodule "docs/submodules/vnfrqts/guidelines"]
 	path = docs/submodules/vnfrqts/guidelines
 	url = ../vnfrqts/guidelines
+	branch = .
+	ignore = dirty