Updates to icons for map.
Added cluster and thicker borders for marker masters
Merge remote-tracking branch 'origin/develop' into develop
Marker updates
Docker improvements for running in dev mode too
Added readme for development against docker. Other docker related tweaks
Disable local apt cache
Use more generic bash script
Merge branch 'develop' into docker
Overhaul docker scripts so we can run test site side by side with production site
Merge pull request #85 from timlinux/docker

Docker overhaul to support running test site side by side with prod