Updated version to 2.2.0 (#2014)

Author: TeslaDethray

CHANGELOG.md

@@ -1,7 +1,7 @@
 # Change Log
 All notable changes to this project will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org)
 
-## MASTER
+## 2.2.0 - 2019-09-26
 ### Added
 - Added `primary` field to the output of `domain:list`. (#2011)
 - Added `domain:primary:add` command to set a domain as primary, causing traffic to redirect to it. (#2011)

config/constants.yml

@@ -7,7 +7,7 @@
 ---
 
 # App
-TERMINUS_VERSION: '2.1.1-dev'
+TERMINUS_VERSION: '2.2.0'
 
 # Connectivity
 TERMINUS_HOST:     'terminus.pantheon.io'