Added getDisplayName and getUniqueId to all CommandSenders.

- CraftConsoleCommandSender
- CraftRemoteConsoleCommandSender
- CraftBlockCommandSender
- CraftMinecartCommand
com.foxelbox
Command blocks now have a permission.
Goodbye legacy plugins
Added dependency-reduced-pom.xml to .gitignore.
Kollectivization!
Add custom PacketListeners