Merge pull request #2008 from pantheon-systems/update-2.1.0

update to 2.1.0

Author: oubawaleh

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
+## 2.1.0 - 2019-09-03
 ### Added 
 - Added `--filter` option to `backup:list` command (#1992)
 - Added `--filter` option to `branch:list` command (#1992)

composer.json

@@ -60,7 +60,6 @@
     "php-vcr/php-vcr": "^1.4",
     "phpunit/phpunit": "^4.8.36",
     "php-coveralls/php-coveralls": "^2.1",
-    "sebastian/phpcpd": "^2.0",
     "squizlabs/php_codesniffer": "^2.7"
   },
   "config": {