Changing table name to be specific in column_names_with_table
Merge pull request #202 from sowawa/1.0

Changing table name to be specific in column_names_with_table
Update to latest rails version
Introduce helper method to override token expiration
Remove update_column hack
Update mongoid version
Add first docs!
Rename expires_in_seconds -> seconds_to_expire
Bump expired_time as public method
Use UTC time for token expiration
1.9 syntax
Remove Timecop dependency
Update FactoryGirl and include helpers in RSpec context
Update RSpec
Rename scopes attribute to scope

The main reason for this is the conflict with Mongoid scopes where a
kind of monkey patching was necessary in order to make this work.

This also makes the scope attribute match with the parameter that is
received on token request. A `oauth_scope` method was created when is
necessary to retrieve the scopes as an set
Use Set to handle scopes
Add helper method to parse scopes
Refactor Scopes

- Use one simple parse method to create scopes
- Add docs
- Simplify specs
Merge branch 'scopes-cleanup' into 1.0