1.12 Map Update

Changes

 * Switch to Mapbox
 * tooltips reworked
 * land and building tooltip design improved
 * interactions with lands (trade, attack, capture) added to tooltip
 * "Follow mode" added
 * pressing the yellow button in the upper right corner centers the camera around the player
 * long pressing the button (1s+) enables "follow mode" in which the camera keeps the blue postion dot in its center
 * icons for buildings and resources are now positioned with their middle on the position of the resource/building
 * captured lands are now visualised as hexagonal (due to the change to Mapbox)
 * capturing, collecting etc. still uses the circle representation
 * GPS accuracy improvements
 * performance improvements and crash fixes

Update post