v0.321 - Map Editor Fixes

Map Editor

• Layout-Editor: easier deleting of placed tiles
• Layout-Editor: Calculation of the Movmentgrid reworked
• new bridge tileset. Connected bridges now adapt to the environment and to each other
• Water tileset reworked
• Map-Editor: English translation added
• Map Editor: Navigation menu button reworked
• Map Settings: Dropdown Vegetation 2 bug fixed
• Map-Layout-Editor: Calculate movement grid button deleted
• Map-Layout-Editor: Plateaus can only be removed up to 4 fields from the edge.

Fixes in other menus

• Fix a small drawing bug in the Artifact system (Weapon Factory).
• Minimap in the Scenario menu shows Twiggel Barricades
• Changed calculation of the amount of spots in the Random Map menu