Removed unused css, images and panbuttons
Return HTTP 500 on backend error
Make validity period datepickers less error-prone
Merge pull request #132 from finnishtransportagency/style-changes

Removed unused css, images and panbuttons
zoom range handling
Add map overlay when adding new bus stop
Move bus stop popup from map hierarchy
Fix tests
Remove unused variable
Move bus stop popup above overlay
Quit bus stop addition when popup is closed
Remove info box when addition is complete
Use default cursor on popup
Assert that overlay is created and removed when bus stop addition is commenced and finished
Block map tools component
Merge pull request #133 from finnishtransportagency/make_validity_period_calendar_components_less_error_prone

Make validity period calendar components less error prone
Removed unused css, images and panbuttons
removed commend
Merge pull request #134 from finnishtransportagency/bus-stops-clustering

zoom range handling
Use object to track overlays