Add a tool for generating a sample config file
Remove the unused plugin framework

This framework is used by Nova to allow adding API extensions and
notification drivers. Tuskar doesn't use the code at all.
Added initial Rack controller
Added Rack database model and methods
Added 'capacities' to the Rack model
Merge pull request #2 from mfojtik/racks

WIP: Initial import of the Rack model
Added more files to .gitignore
Improvements to Rack JSON serialization

* Added 'links'
* Added 'chassis'
Added possibility to retrieve one single Rack
Added Resource Class Controller
resource class db model and methods
Merge pull request #3 from mfojtik/racks_v2

Improvements to Rack JSON serialization
Merge pull request #4 from mtaylor/resource_class

Initial resource class work
Removed Blaa and Sausage models/controllers
Added Chassis representation type, some basic refactoring
Added Capacity representation to controller
More refactoring and added delete_rack()
Removed unused as_dict() method from Capacity
Do not store the 'chassis_url' when creating a Rack
Merge pull request #5 from mfojtik/cleanup

Some basic cleanup