feat(npm): update bower version and add "tmp" dependency

see bower/bower#1403

Author: jvandemo

package.json

@@ -19,7 +19,8 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "bower": "~1.2.8",
+    "tmp": "0.0.23",
+    "bower": "1.3.6",
     "grunt": "~0.4.1",
     "grunt-contrib-concat": "~0.3.0",
     "grunt-contrib-jshint": "~0.7.0",