fix(build): refer to newest version of hammerjs typings

Author: alexeagle

modules/angular2/tsd.json

@@ -9,7 +9,7 @@
       "commit": "be0b6b394f77a59e192ad7cfec18078706e44db5"
     },
     "hammerjs/hammerjs.d.ts": {
-      "commit": "be0b6b394f77a59e192ad7cfec18078706e44db5"
+      "commit": "22c44d95912a07f81c103a694330b15b92f7cb40"
     },
     "jasmine/jasmine.d.ts": {
       "commit": "055b3172e8eb374a75826710c4d08677872620d3"