coder_upgrade.call.inc: #712696, #643192, #643186 by duellj: Implement...

coder_upgrade.call.inc: #712696, #643192, #643186 by duellj: Implement #placeholder, #node_type_get_functions, #node_invoke_nodeapi; coder_upgrade.function.inc: Revise #remove_op: revert $build_mode to $view_mode in hook_nodeapi and hook_user.