Octopus 0.6.0
- Dropped support for Rails 2.x. Octopus 0.5 is the latest version that is compatible with Rails 2.
- Octopus 0.6.0 don't support Rails 4. Only 0.7 will support.
- Removing old Octopus::Logger. Please use the new LogSubscriber.
- MySQL2 Driver instead of MySQL for spec suite.
- Some smaller refactors and clean ups.