I couldn't be bothered to untangle this, so here it goes:
* Log colors depending on loglevel
* Simplified Filelogger
* Remove description=None from basetask
* create_list creates task list from argument now
* Task rollback feature: If a task fails, the tasklist calls rollback() on the completed tasks in reverse order
* Added TaskException to common.exceptions as a base to extend from
* Added TriggerRollback task to common.tasks for development purposes
* An EBS volume for bootstrapping is now created and attached to the instance (including rollback actions)
* EC2 Connect task now depends on host.GetInfo