added leaflet type based (multi layer) clustering, with basic styles
clean the title for the clusler icon
temp file to hold cluster changes to tracking.ejs
Merge branch 'IC-3_Implement_Typed_Marker_Clusters'

Conflicts:
	inalacourt-server.js
	views/tracking.ejs
update the file name and reference for browserify
merge clustering in to the tracking ejs