[O] color header based on priority/tags rather than level

[David Rees]

Is there way to set the color/face of a header line based on 
priority/tags rather than level? Maybe a way of setting a hook method 
that takes header line info and returns color/face info?

I've found that I can use org-priority-face to color the priority cookie 
and I can use org-agenda-fontify-priorities to apply color to the agenda 
line, but I want to color the header line in the original buffer.

FYI, Here is a link to old post on this, but it ended just with solution 
for agenda lines 
http://article.gmane.org/gmane.emacs.orgmode/17143/match=color+entire+header