[bmg-commit]

[Peter Luka <luka@graphics.lcs.mit.edu>]

Update of /d9/projects/walkthru/src/vis
In directory lime:/data/luka/walkthru/src/vis

Modified Files:
	Makefile adjacency.cpp extentvis.cpp minmax.cpp portal.cpp 
	protocol.cpp split.cpp split.h subdivide.cpp visarea.cpp 
	visibility.cpp visio.cpp visio.h 
Log Message:
continue full review of vis module.
huge set of trivial cleanups to global namespace.
static-ifying things that should not be global.
remove decls for things not (any longer) defined.
comment obscurities as i discover them.