Changes text on visceroid icon to 'Visceroid' instead of 'Viceroid'.
Merge pull request #4384 from reaperrr/visceroid-icon

Changes text on visceroid icon to 'Visceroid' instead of 'Viceroid'.
Add FieldLoader support for Size.
Sort asset browser list by filename.
Add limited Tmp(TS) support.

Supports basic tile data, but not z or extra data.
Support rectangular tiles.
Replace the placeholder tile.
Add three additional spawn points
Update changelog.