Include j2 files in MANIFEST.in.

Updated mechanism to load jinja templates.

1134

Change-Id: Idfbdb4de0f90e63b49c4b27d8d5190eb1fa069c3
Signed-off-by: magnussonl <lars-goran.magnusson@arctoslabs.com>
diff --git a/MANIFEST.in b/MANIFEST.in
index 22675f6..60da55a 100755
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -16,5 +16,5 @@
 # under the License.
 include requirements.txt
 include README.md
-recursive-include osm_pla *.py *.sh *.yaml
+recursive-include osm_pla *.py *.sh *.yaml *.j2
 recursive-include devops-stages *