[rackspace|autoscale] starting on rackspace auto scale implementation
Adding models, collections and making a start on request classes
Merge branch 'auto_scale'
Initial commit for Rackspace's new Autoscale features. Most functionality is incorporated, including:
- Scaling groups
- Configuration (group configuration and launch configuration)
- Scaling policies
- Webhooks

Work remaining includes:
- Mock request classes
- Unit test coverage
Removing two superfluous files
Shindo tests are completed; finished adding Mock data
Merge branch 'master' of github.com:jamiehannaford/fog
Adding a few more ensure blocks for resource deletion
Modifying array for 1.8.7 Gemfile to pass
Removing trailing slashes from method calls for 1.8.7
Fixing minor issues with doc annotations, removing unused file, adding Shindo tests
Adding the red herrings
Merge pull request #2120 from jamiehannaford/master

Rackspace AutoScale