Add helper for find or create apps by name
Move apps to activerecord
Move current_app and current_env to activerecord apps and env
Move recipe to activerecord
Add job model
Rescue from exceptions
Move logs to activerecord
Rename job -> job_execution
renamed:    deploy_logs.rb -> output_multiplexer.rb
Remove unused code
Create model permission
Move acl to permissions
Refactor requires
Remove unused spec
Remove references to redis