added Stopsign.png, Leaflet.draw only draws on "steve" layer

drawing on main layer caused hang that crashed browser. Also added a
check to see which marker layer to check for geofencing
Increased sensitivity of clustering

Improves performance by A LOT.
Fetches/posts zones from database

just a json dump, nothing fancy...
post doesn't work, due to header stuff
uh ignore the stupid console log
Merge branch 'gisProductionProto-dennisMerge' of https://github.com/philpci/angular-galaxy.git into gisProductionProto