Merge branch '247-leaflet-map-using-http' into 'master'

Resolve "Leaflet map using HTTP"

Closes #247

See merge request !186
4 jobs for 239-little-fixes in 3 minutes and 49 seconds (queued for 1 second)
Status Job ID Name Coverage
  Package
passed #14526
package the branch

00:03:32

 
  Dockerize
manual #14528
allowed to fail manual
deploy for review
passed #14527
dockerize the branch

00:00:17

manual #14529
allowed to fail manual
remove review instance