Fixed a few compile errors due to code reorg
Repeating the original fix in a way that actually works.
Unix compile fixes for previous change
Continued ANSIfication and reduced compile warnings.
Various platform compatibility fixes.
Replaced most outdated BSD function calls with their posix equivalents, and cleaned up a few other platform dependencies.
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
made random tossing of lines optional with -t
decreased number of lines by checking for overdraw and throwing out small segments on a random basis
added colors to layers
bug fix
Initial revision
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