OFStateManager: rewrite ind_core_ft_{dump,show} to not use ind_core_ft_iter
OFStateManager: rewrite ind_core_ft_{dump,show} to not use ind_core_ft_iter

ind_core_ft_iter is going away. The new output is more useful because it shows
the correct actions list even if the flow has been modified, and it can show
the stats, flow id, and table id which are not included in the flow-mod.

harfly/indigo,harfly/indigo,harfly/indigo,harfly/indigo