rework data handling - extract to json
Merge pull request #28 from MattCMultimedia/master

Hey! I've added support for all possible cryptocurrencies.
Merge branch 'master' into json

Conflicts:
	coinmap.js
	data/overpass/parser.py
	data/refresh.py
more improvements to points code, remove localbitcoins/zipzap for now
finish json rework
change wording in footer box