Add license
Add config example
Add gemfile
Use https for rubygems
Add gitignore
Add some structure, run and log
Add Plugin.intiialize and monitor
Logging, forking
Interruptable sleep, call monitor-method
Implement memcache client
Delete foo plugin
Add ensure_metric_group
Configure metric group
Create dashboards
Adjust config
Adjust port
Use do/end
Fail on invalid frequency
Introduce interruptible sleep
Interrupt child-processes if their group-id differs from parent's group-id