Implement Aodh salt formula

This CR adds following things:
- Configs and sls scripts for Aodh packages installation
- aodh.conf template and parameters
- Heka config for aodh logs parsing
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index f329956..df43a5d 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,6 @@
 aodh formula
 =========================================
 
-0.1 (2015-08-22)
+2016.4.1 (2016-11-22)
 
 - Initial formula setup