Bukkit

Kind of "Adventure Update":

- Added adventure sign.

- Added the option to set the world's gamemode to adventure.

- Added usage commands to explain in-game how to use the plugin's features.

- Edited the way to change the world's gamemode, now we can change it with words and not with booleans.

test_creative_world: creative

test_survival_world: survival

test_adventure_world: adventure

- Added an option to disable the update check spam, can be set via config : updateWanted: Yes / No

- Bug fixing.

Happy new year(A bit late I guess).

None.