fix OSM copyright
Markdown syntax
Merge pull request #22 from Stemby/patch-1

fix OSM copyright
add link to AGPLv3 as well
remove permalink for now (performance issues)
return geolocation now that permalink is off
zoom 2 more steps on start
simplify refresh script
add drop shadow to icons
find OSM relations with payment:bitcoin=yes
Merge pull request #25 from msjoinder/add_relations

Include OSM relations with payment:bitcoin=yes
change OSM edit link to point to current view
Merge pull request #26 from msjoinder/osm_edit_link_changes

Change OSM edit link to point to current view
upgrade leaflet.markercluster, should fix iOS issues
rework data handling - extract to json
added 'litecoin' to icon list
updated zipzap parser to support multiple currencies
updated dict for loop to use iteritems
added support for multiple currencies in the refresh script
added multiple currency support to overpass parser