fix bug for 0 transaction wallet

0 transaction wallet would return an error when getting transaction list
Exception caused by tx_list not defined

I wasn't seeing this before, so I assume it could be a race condition if
the "load_wallet" function doesn't finish before the history tab is updated.
print statement should be debug only

comment print statement of seed
Merge pull request #614 from wozz/print-seed

print statement should be debug only
add password to sign hook
Merge branch 'master' of git://github.com/spesmilo/electrum
minor improvements to scripts
daemon; initial commit
remove blockchain object from verifier
add missing Network methods to NetworkProxy
Merge branch 'master' of github.com:spesmilo/electrum into clean
fix: missing import
fix return, debug flags
add server to daemon print statement
move start_daemon code to main script
remove print statement
sort by height
fix reference to verifier
Merge pull request #611 from wozz/exchange-rate-fix

fix bug for 0 transaction wallet
Merge branch 'master' of github.com:spesmilo/electrum into clean