add domain option
fixed verify bug when domain is not set
use domain when calling signall
renamed to aproof
README: fixed online tools link
Readme: OCD
Merge pull request #11 from olalonde/rename

Rename
readme: fixed link to solvency proof
README: updated github links
npm: moved build script to package.json
README: some notes on HD wallets
README: use meta property
README: remove address from proof.. to encourage verifiers to compute it from the signature
README: added some PoS info
README: modified json spec
README: got rid of ID property
Added blockhash requirement to specification
README: specified block with 6 confirmations
README: spec precisions
Added warning to cli.js to mention the tool does not currently support the latest spec.