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(thanks to the Sun compiler), expand the name to avoid namespace conflicts.

Also adding a couple of extra CxxRevisionMacros to shut up the compiler on (VS 7.1 .NET)
Still not part of main build. Completely untested.

its own class as the two operations are independent.

ENH: WIll require 10.3 and gcc3.3

- Warnings about SetSize(int*) (also shadow)

BUG: Reorganized top-level CMakeLists.txt file to set require C and C++ flags before doing try compiles.  This involved a cleanup of X11 search/use code.  It no longer depends on CMake's backward compatibility search for it.