better debug logging for transaction pool stuff.
bugfix: pass unconfirmed list to validate handler in txpool.
Merge branch 'master' of https://github.com/spesmilo/libbitcoin
bootstrap.cpp changed break out of loop after reading the last block in the file. changed usleep(1000) to nanosleep. Even sleeping for just 1ns prevents the import from stalling.
Merge branch 'master' of https://github.com/spesmilo/libbitcoin
Merge branch 'master' of https://github.com/spesmilo/libbitcoin