fixes bugs with related resources in data api
adds Subregion model class

and minor language change on Project model class
URL and view for search projects and returning as GeoJSON
JavaScript lib update (Leaflet, Bootstrap)
Restructuring JavaScripts
Updates jQuery
first stab at new add/update script
don't require walkscore and todstation in form
new submit form functionality
updates project detail page
styling tweaks
cleans float and int fields before POST
changes topbar search to new url schema
cleanup
tidying up css
only allow project editors to edit projects
send email after user sign up
save last modified user
adds rudimentary CSV export
adds rudimentary tooltips