Fixed bug in zone-map not being initialized correctly.
Added clone constructor to PermissionList.
Fixed bug in protection module.
Colourizing signs no longer require you to issue a command first.

Also split off colourizing into its own module, and added the ability to have commands on signs. They run as the player when right clicked.
Fixed bug in damageto permission of protection.
Merged with develop.
Some fixes to JsonProvider.