feat(evalglare): new version of evalglare from Jan Wienold
Fixed return-value checking for viewloc()
Moved declarations and definitions for header.c from resolu.h to rtio.h
Further tweaked viewloc() output to be 1 only if in view frame
Bug fixes and other changes from Jan Wienold
Changes to evalglare by Jan Wienold
Added RCCS id's to new source files (forgotten during initial check-in)
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