WIP refactoring all the things.
more refactoring

moved code into individual files
added preliminary support to registry for new json format
converted all old ruby coin definitions to json
full work on getting everything converted to json
got installation working
implemented rpc... not quite working yet.
fixed rpc calls. they work now. yay!
added build and clean actions
megacoin config directory is not capitalized
added Wallet.running_wallets

parses output of `docker ps`
list installed wallets