create account doesn't show progress

[splix]

$ emerald --chain=morden new
! Warning: passphrase can't be restored. Don't forget it !
Enter passphrase:

test
test


test
^C

It's not clear that after you've entered a password it starts to do something.

Better to show a message:

$ emerald --chain=morden new
! Warning: passphrase can't be restored. Don't forget it !
Enter passphrase:

Generating a new private key for chain Morden...