get json from hsl otp
minor tweaks

Conflicts:
	mess.js
use hsl's graphic guidelines

http://hsl.materiaalipankki.fi/download.vers/?f=2877&public=1
map.js

Conflicts:
	mess.js
data.js
util.js
minor this & that
stops

Conflicts:
	mess.js
lazy loading for stops
siri poller
utilize feature.id in vehicle data handling
add stop select
use stamen toner tiles
auto zoom to extent
mock stop and route display