create clustering system (ok while zoom level > 7)
manage clustering at same zoom level (sliding on screen), improve threads use to not freeze ui
improve clustering system efficiency on zoom out (based on not clustered stations and already existing clusters)
best attempt to "clever" clustering system, not enough time to continue …
add simple clustering system, deal with no stations data on search button click (display a warning popup)
add zoom in on cluster click
refactoring
revert on 300 seconds
Merge pull request #15 from onelight-studio/clustering

Clustering