Merge Michael's pending changes to sendINTENRAL
Hook into balance signal to update send form when balances change
Merge branch 'mscore-0.0.8' of github.com:mastercoin-MSC/mastercore into 0.0.8-Z-UIAlpha
Merge pull request #138 from zathras-crypto/0.0.8-Z-UIAlpha

Hook into balance signal to update send form when balances change