Use dynamics id generation for factories. Update default factory instances name attribute.
Add Qubell::Environment class
Improve api calls handling in Qubell::APICall class

- Handling responce depends on returned content-type
- Rework sending http requests
- Fix format
Common fixes and improvements

- Add code_style to default rake task
- Add attrs descriptions in Qubell::Base
- Fix hashes declaration in Qubell::Base
- Fix require in qubell_api_spec
Improve readability, add description in Qubell::Organization class