Add cinder/upgrade tasks

This commit adds cinder/upgrade:

pre.sls: Stop API/Render Configuration
 upgrade.sls: Install latest package
 post.sls: Start service

Change-Id: I08584ba853036d16bf32fc1b8c1eb6bdfea61bf7
Related-Prod: PROD-21931
diff --git a/.gitignore b/.gitignore
index aa8e42a..2a61b98 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 .kitchen
 tests/build/
 *.swp
+*.swo
 *.pyc
 .ropeproject