Adjust morgan call to avoid deprecation warning

No Issue
* Change the invocation of the morgan logging package to
  conform to the new function signature introduced in
  morgan 1.2.0.

Example:
![screen shot 2014-09-19 at 11 12 15 am](https://cloud.githubusercontent.com/assets/214142/4338594/dbf38c86-401a-11e4-9753-7acbd35f7adc.png)