the latest code (just pulled from git hub) doesn't show "blockchain_head_block_num":
momkey (unlocked) >>> about
{
"bitshares_toolkit_revision": "2851364a09924c06b3b8dc76471d41c0755401c9",
"bitshares_toolkit_revision_age": "3 hours ago",
"fc_revision": "13da4b0d6a715d744fec3a04989e1a0788c37b37",
"fc_revision_age": "12 hours ago",
"compile_date": "compiled on Jun 30 2014 at 19:37:48"
}
(unlocked) >>> info
{
"blockchain_head_block_num": 0,
"blockchain_head_block_age": "2 minutes old",
"blockchain_head_block_timestamp": "20140701T030600",
"blockchain_average_delegate_participation": 0,
"blockchain_blocks_left_in_round": 101,
"blockchain_confirmation_requirement": 202,
"blockchain_share_supply": 199999999981923,
"blockchain_random_seed": "0000000000000000000000000000000000000000",
"blockchain_database_version": 109,
"blockchain_version": 104,
"network_num_connections": 12,
"network_num_connections_max": 200,
"network_protocol_version": 104,
"ntp_time": "20140701T030807",
"ntp_error": -0.069119,
"wallet_open": true,
"wallet_unlocked": true,
"wallet_unlocked_until": "12 days in the future",
"wallet_unlocked_until_timestamp": "20140712T165018",
"wallet_block_production_enabled": true,
"wallet_next_block_production_time": null,
"wallet_next_block_production_timestamp": null,
"wallet_version": 100
}