Änderungen

Summary

1. some fixes (details)
2. Remove Remove abil from startports, remove unused method (details)
3. more useless code (details)
4. sanity check for destroying items from startmaze (details)
5. remove customdata Entity reference on destroy (details)
6. improve Spinner, fix powernode ui (details)

Commit c1d78022777b45d05e87204e7cb5b62d416a7e2a by frotty some fixes
	wurst/_core/projectiles/BezierMissile.wurst (diff)
	wurst/MapStuff/RegionData.wurst (diff)
	wurst/_core/entity/Entity.wurst (diff)
Commit 7c72787c7a7ffe007622428d4a834cdd6ca8e852 by frotty Remove Remove abil from startports, remove unused method
	wurst/init/startmazes/Startmazes.wurst (diff)
Commit cba0426e0d0a9c9ab61d37c27393406a842950e9 by frotty more useless code
	wurst/init/startmazes/Startmaze.wurst (diff)
Commit 3dfe966795037bec153ab08c2d2e588b47542764 by frotty sanity check for destroying items from startmaze
	wurst/init/startmazes/Startmaze.wurst (diff)
Commit 34d7f44ab78153ac38bd5f2316d3c0fd9f891e00 by frotty remove customdata Entity reference on destroy
	wurst/_core/entity/Entity.wurst (diff)
Commit 6ca8d1728ce00932ca0d88cba73bb3f3830f2e7f by frotty improve Spinner, fix powernode ui
	wurst/objects/second/Spinner.wurst (diff)
	wurst/objects/second/Powernode.wurst (diff)