Add license validation to the config validation check

Should prevent a customer from accidentally saving a config that violates their license

Fixes https://jira.coreos.com/browse/QS-97

static/js/core-config-setup.js

@@ -19,6 +19,8 @@ angular.module("core-config-setup", ['angularFileUpload'])
         $scope.GITHOST_REGEX = '^https?://([a-zA-Z0-9]+\.?\/?)+$';
 
         $scope.SERVICES = [
+          {'id': 'license', 'title': 'License'},
+
           {'id': 'redis', 'title': 'Redis'},
 
           {'id': 'registry-storage', 'title': 'Registry Storage'},