Prepare for v0.7.6

Author: loafoe

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## V0.7.6
+- Improve autoscaler support
+- Fix documentation
+
 ## v0.7.5
 - NEW: Add data source hsdp_container_host_subnet_types
 - Container Host: add subnet_type configuration (public, private)