Perform some checks on team add

cosmetic disabling of clouds with sea edges and underwater theme

Teams widget now allows to add and remove teams (basic implementation, no checks performed, no colors, no hedgehogs)

Remove switching of hog's hat to chef. do it in draw instead.

Load and show local teams list

Revert hog tinting from rdb65298717da since it wasn't sufficiently complete for a release. More sprites need converting, and there's a slight bug in hog tinting, for away hogs with hats I believe.

- Implement getTeamsList (not tested) - Some small fixes