Add popups to highlight chosen unit.
Code style.
Code style.
Add base code for stats visualization
Merge pull request #2 from tituomin/marker-popup

Add a popup to the currently selected marker with the details being displayed on the sidebar.
Modified region boundary style.
Add some transparency to the tile layer, cleaner formatting.
More bold for you, more bold for me
Make map pan to selected marker when opening sidebar
Fix typo in previous commit
Fix panning when sidebar is already visible
Start using OSM-based background map
Refactored UI presentation logic into views.