deprecate chronology (#12)

remove unnecessary dependency to fix build

Author: desaianuj

package.json

@@ -21,7 +21,6 @@
   "dependencies": {
     "bower": "~1.4.1",
     "async": "^0.9.0",
-    "chronology": "^0.7.5",
     "coffee-script": "~1.7.1",
     "express": "~3.5.1",
     "http-proxy": "~1.11.1",