Super Build Battle

With this update I can say the plugin is almost finished. In the near future I will ad multi arena and spectator support.

Changellog:

-Fixed multiple bugs (Many :D)

-Added czezch and catalan languages (Thanks to the translators)

-Worked on the inGame gui:

- Fixed: Clear Arena and set ground

- Added BannerMaker as API (You will have to wait until they update BannerMaker to use this feature.

- Added mini blocks or heads

- Changed language system: Now the yml files are stored inside the jar. There will not be more "Message missing" errors.

- Added leave signs

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