Improve "help-console" message
Improve "help-console" message

Added a note that results can be queried in the parenthesized syntax.
Deprecated boolean `verbose` replaced with numerical `verbosity` in
`getblock` examples.

chaincoin/chaincoin,chaincoin/chaincoin,chaincoin/chaincoin,chaincoin/chaincoin,chaincoin/chaincoin,chaincoin/chaincoin