Metrics, Updater, api and stuff

• Add possibility to use player name instead of display name
• Add {ore_color} to the usable tags
• Add world whitelist
• Add {world} tag to the message
• Fix command permission (which was not recognized by pex)
• Add an event for plugin hooks (thanks to cnaude)
• Internal refactoring
• Fixed: Permission checking for ob.receive (thanks to ayyy)
• Internal refactoring
• Added 'max-vein-size' node to the config (prevent server lag in case of misconfiguration)
• Updated default config comments
• Removed duplicated stop / startup message
• [BREAKING] Update OreBroadcastEvent if you use or develop a plugin hooked to this event, you should update it ASAP (the event is more customizable and has moved to a new package)
• Added 'broadcast-creative-placed-blocks' to allow server owners to choose wether blocks placed in creative should be broadcasted or not
• New command system
  • New clear command used to clear the block blacklist
  • New update command:
    • /ob update check
    • /ob update download
  • [BREAKING Permissions] Command permissions moved to ob.commands
• Added metrics, a tool which allow statistics collection (easily disabled from the config). See the plugin page on mcstats
• Added an update checker which allow you to check for update ingame or from the console and to automagically download the update if available (Thanks to Gravity)