Update the things

Also remove deppy command from test/install/build since it should work
fine w/o if GOPATH is set correctly.
Swith to logrus
Make use of ./... in Makefile
Remove ServerAddress (set up HTTP in main)
Remove Configuration struct

Create and inject dependencies instead.
Add negroni

Utilize logging middleware
Remove unused debug flag
Remove favicon

Unneeded.

Also removed unused address variable
Add gorelic
Merge pull request #30 from modcloth/add-gorelic

Add gorelic