Make .href() support .hashPrefix()

Author: deltaepsilon

src/state.js

@@ -475,7 +475,7 @@ function $StateProvider(   $urlRouterProvider,   $urlMatcherFactory,           $
       var nav = (state && options.lossy) ? state.navigable : state;
       var url = (nav && nav.url) ? nav.url.format(normalize(state.params, params || {})) : null;
       if (!$locationProvider.html5Mode() && url) {
-        url = "#" + url;
+        url = "#" + $locationProvider.hashPrefix() + url;
       }
       if (options.absolute && url) {
         url = $location.protocol() + '://' + 

test/stateSpec.js

@@ -613,6 +613,11 @@ describe('state', function () {
       locationProvider.html5Mode(true);
       expect($state.href("about.sidebar", null, { absolute: true })).toEqual("http://server/about");
     }));
+
+    it('respects $locationProvider.hashPrefix()', inject(function ($state) {
+      locationProvider.hashPrefix("!");
+      expect($state.href("home")).toEqual("#!/");
+    }));
   });
 
   describe('.get()', function () {