Moving exceptions into proper namespace
Promoting Sipity exceptions up
Adding meaning for Exceptions
Removing explicit requires

Yes I like them, but they are pointing to something confusing.
Merge pull request #14 from ndlib/moving-exceptions-into-logical-container

Moving exceptions into logical container
Moving controllers. Now to get tests working!
Adjusting hound exception
Adding controller_path to controllers

Without the explicit paths, Rails will expand the following controller
`Sipity::Controllers::FooController` to render views found in
`sipity/controllers/foo/`

See
http://api.rubyonrails.org/classes/AbstractController/Base.html#method-i-controller_path