Quick grammar fix
Merge pull request #146 from rgbkrk/patch-1

Quick grammar fix
Removed duplication in CloudMonitoring's AbstractResource.php: shifted "get" functionality to parent's `refresh` method and cleaned up unit tests. Also shifted the populate functionality in PersistentObject.php to a separate method for better test compatability and single responsibility.
Merge branch 'master' into working
Removed duplication in CloudMonitoring's AbstractResource.php: shifted "get" functionality to parent's `refresh` method and cleaned up unit tests. Also shifted the populate functionality in PersistentObject.php to a separate method for better test compatability and single responsibility.