Minecraft Market

Initial release.
+Added Force check command /mmcheck
+Added configurable purchase check interval in config
~Fixed in-game messages
+Added debug option
~Fixed config generation bug
+Added IN-Game GUI with /shop
+Added /mmapikey <apikey>
~Changed Commands now /mm <command> apart from /shop
+Added categorys to shop
+Added pagination to categorys and items
~Fixed GUI item adding issue
~Recoded command listener for new command handler
+ Plugin metrics
+ Language
+ Updater
+ changeable shop command
+ changeable prefix