* Removed WorldEdit depends. Now you can use worldedit if you want or need it
without worldedit default simple island is created
If worldedit is not present default island is used and items from config
If worldedit is present will be used for pasting schematics
* Added command
/islandev chaclear - clear all players completed challenges
* Added command
/islandev chadel <player> - clear player's completed challenges
* Added UUID support
* use-config-items will be enabled by default