additional debugging for 2Addr on Testnet
Merge branch 'michael-0921' of http://github.com/mastercoin-msc/mastercore into michael-0921

merged a PR
extended errors & passing of error codes up to the RPC calls/returns (send_MP & others); more text message to be done later
temp filesave
Merge branch 'michael-0921' of http://github.com/mastercoin-msc/mastercore into michael-0921

merging pre- send_MP improvements & flat info files