Add nicer error messages for PROD
Implement appending

 - Add ?plain=1 option to /m/* routes to just return plain text
 - Add message template which uses the main layout and has an upload
   box.
Create a rakelib directory

 - Create lib/tasks
 - Fix Rakefile to include files there
 - Set tests to run when you run rake by itself
 - Run rake -T to see all defined tasks
Create basic message test

 - Fix some whitespace issues in config.ru
 - Fix environment setup in test_config.rb
Add a travis.ci config
Remove unused files helpers.rb and mailers.rb
Require valid IDs for messages

 - Also adds a very rudimentary test
Add images to README

 - Add gittip for dave and nat, and a BTC address
 - Add Gemnasium and Travis.CI badges
 - Note, all of this done on a plane and not verified