Individual city issues

[mszell]

• REMOVED Monaco: Found less than 3 grid and rail seed points
• Riga: Found less than 3 rail seed points
• Podgorica: Found less than 3 rail seed points
• Pristina: Found less than 3 rail seed points
• Reykjavík: No rail found
• REMOVED San Marino: Unclear, but too small
• Tirana: Found less than 3 rail seed points
• REMOVED Vaduz: No rail found
• REMOVED Valletta: Found less than 3 grid and rail seed points

fyi @MoritzStefaner

[mszell]

Copenhagen rails not found for now due to a bug: BikeNetKit/GrowBikeNet#117

[mszell]

Riga seems a real bug, the other cities need individual investigation.