Removed unused modules I missed last time
Continued ANSIfication, and other fixes and clarifications.
Replaced most outdated BSD function calls with their posix equivalents, and cleaned up a few other platform dependencies.
Changed (char *) casts for memory copies to (void *) and other fixes
Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release
updated revision number for release 2.0
added standard.h to take care of bcopy() incompatibilities
improved portability for read(), write() and bcopy()
ciq() now calls initializeclosest() fixing a bug, also error clamping
initialize histogram in makehist()
Fixed SCCSid
Initial revision
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