fix($location): parse FirefoxOS packaged app urls

FirefoxOS uses special URLs like
app://{d0419af1-8b42-41c5-96f4-ef4179e52315}/index.html for packaged Apps.

Closes #2112

src/ng/location.js

@@ -1,6 +1,6 @@
 'use strict';
 
-var URL_MATCH = /^([^:]+):\/\/(\w+:{0,1}\w*@)?([\w\.-]*)(:([0-9]+))?(\/[^\?#]*)?(\?([^#]*))?(#(.*))?$/,
+var URL_MATCH = /^([^:]+):\/\/(\w+:{0,1}\w*@)?([\{\}\w\.-]*)(:([0-9]+))?(\/[^\?#]*)?(\?([^#]*))?(#(.*))?$/,
     PATH_MATCH = /^([^\?#]*)?(\?([^#]*))?(#(.*))?$/,
     HASH_MATCH = PATH_MATCH,
     DEFAULT_PORTS = {'http': 80, 'https': 443, 'ftp': 21};

test/ng/locationSpec.js

@@ -666,6 +666,16 @@ describe('$location', function() {
       expect(match[8]).toBe('foo');
       expect(match[10]).toBe('bar');
     });
+
+    it('should parse FFOS app:// urls', function() {
+      var match = URL_MATCH.exec('app://{d0419af1-8b42-41c5-96f4-ef4179e52315}/path');
+
+      expect(match[1]).toBe('app');
+      expect(match[3]).toBe('{d0419af1-8b42-41c5-96f4-ef4179e52315}');
+      expect(match[5]).toBeFalsy();
+      expect(match[6]).toBe('/path');
+      expect(match[8]).toBeFalsy();
+    });
   });