FB.init has already been called

remove duplicate args
http://stackoverflow.com/a/10421328/535915
Updating leaflet from 0.3 to 0.7.3

js, css, png and discard IE6
Updating map.js for leaflet compatiblity

using stamen layers
iconUrl goes under options array
limit panning to MTL maxBounds (wide)
replace deprecated locateAndSetView()