Tiled 1.1.4

• Fixed exporting of external tilesets to JSON or TSX formats
• Fixed problem with embedding or exporting tilesets with Wang sets
• Fixed tiles placed by the terrain tool being considered different (#1913)
• Fixed text alignment values appearing at random in Properties view (#1767)
• macOS: Fixed eye/lock icon display in Layers view
• Re-enabled Space for toggling layer visibility
• Migrate properties set on tile collision layer to the tile (#1912)
• Don't reset stamp brush state when pressing Alt
• Automapping: Apply rules to selected area when there is one
• Windows and Linux: Updated builds to Qt 5.10.1
• Linux: Indicate Tiled can open multiple files at once in desktop file
• Lowered the minimum supported version of Qt to 5.5