Initial import of ooC photon map
Removed redundant $Id: in file
Added missing RCSid forgotten during initial check-in
Fixed bug with handling of -am rendering option, removed redundant code
Simplified logic and fixed comment
Added back caustic map contributions to ambient
Double-counting bugfix for glow sources (thanks DGM!), revised copyright
Initial check-in of photon map addition by Roland Schregle
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