Renamed 'controller action' to 'action name' in new controller dialog

Author: drpayyne

resources/magento2/common.properties

@@ -8,7 +8,7 @@ common.httpMethod=HTTP Method
 common.controller.name=Controller Name
 common.controller.inheritAction=Inherit Action Class
 common.controller.backend.acl=Admin Resource ACL
-common.controller.action=Controller Action
+common.controller.action=Action Name
 common.ok=OK
 common.yes=Yes
 common.no=No