Add config file and inital app registration code. WIP
move files to a more gem like structure.
Get some specs going, add a Rakefile for running specs.
Unusued variable and methods.
Major bridge functions.

- Rename hue config to setup so not to conflict with base station config.
Default config.
Add bulb test and comment out currently untested methods.
Spec for bulbs.
Handle errors from the bridge API.
Gemfile with spec.
Refine and test register/unregister methods.
Remove BASE, complete tests for bridge.
Refactor config to an application config.
Rename method.
Discovery and bridge id and path config.

- Replace base uri with id.
- New bridge config.
Fix registration methods, re-enable tests.
Fix bug that prevent deleting of last config.
Update readme.
Rename methods refering to base. Shorten identifier to id.
Update gemspec for v 0.6