Added MetricStats and AutoUpdater

Changed permission node from IsMcDwn to IsMcDown
Added command shortcut IsMcDown
Changed Plugin prefix to IsMcDown
Renamed BukkitTask
Added Auto Updater
Changed how StatusChecker starts so it can be restarted when the delay
is changed in the config
Added a few debug commands
Added getCheckDelay() in Main to get the check delay easier
Settings_checkDelay now defaults to 0
Renamed UpdateConfig(), LoadConfig(), SaveConfig(), to start lowercased
Edited the order methods are ran in Config to add cleanUp() and
resetConfig()
Added Settings.AutoUpdate to Config.yml
Added isSettings_AutoUpdate() in Config