Sends blank notifications

[#75148308]
Refactoring to the proper use of the enrionment

- removed some unused env variables, though some remain
Moves interaction with UAA to uaa package

 - gets client token

[#75148308]
Changes SpaceMailer to NotificationsReceiver
 - goal is to be more descriptive

[#75148308]
Refactor to move some stuff out of the handlers package

- fixed the request that is being built to actually post json now
- requests package contains logic around building requests and sending
  them
Adding Godeps

- added deploy script to push to bosh-lite
The mail forwarder now is functional

- removing development script that has passwords
Adding logger

- added ackrc for easier searching
- default logging is to standard out or err, unless an environment
  variable is specified to a file
Removing deploy script
- adding manifest.yml
- adding logging of env variables on boot
- now logging the request sent to notifications
Changing enpoint to take multpart form submission

- assumption that sendgrid posted json was incorrect
- stored example of sendgrid post in a fixture