invalidate multisig inputs

multisig inputs are not allowed as it is not clear which address is the owner of the msc.
report invalid transaction.
redirect a transaction without transactionType to simplesend

just to show invalid reasib in a nice UI
Merge branch 'master' of https://github.com/grazcoin/mastercoin-tools into Graz-Fix

Conflicts:
	www/redirect.js
Merge pull request #9 from curtislacy/Graz-Fix

invalidate multisig inputs