pool: emit peer in tx broadcast.
tx-pool: handle noWrite better. update tx.block along with tx.ts.
wallet: improve ownInput and ownOutput.
minor: if statement style.
fix tx-pool unspent output handling. fixes #26.
Merge pull request #27 from indutny/tx-pool-fix

fix tx-pool unspent output handling. fixes #26.
fix: allow ownOutputs as orphans - fixes failing test. see #27.
v0.14.2
peer/pool: add origin satoshi protocol.