angular: import should bring in the type information as well

closes https://github.com/borisyankov/DefinitelyTyped/issues/3670
closes https://github.com/borisyankov/DefinitelyTyped/pull/3714

angularjs/angular.d.ts

@@ -13,6 +13,9 @@ interface Function {
     $inject?: string[];
 }
 
+// Collapse ng into angular 
+import angular = ng;
+
 // Support AMD require
 declare module 'angular' {
     export = angular;