Make dependent jQuery version at least 1.9.0

Make dependent jQuery version at least 1.9.0. Instead of relying precisely on that version. The later makes it hard to use jQuery 2.0 for example.

bower.json

@@ -7,7 +7,7 @@
     "examples"
   ],
   "dependencies": {
-    "jquery": "~1.9.0"
+    "jquery": ">=1.9.0"
   }
 }