Modified Settings used to generate Binary installer for Windows, so that the user is given the option of adding the binaries to the system path.
Corrected a typo that only affected linux, but not OSX or Windows.
Removed stray Doxygen tags, added some more explicit information to the binary installer created for Windows.
Added URLs to netcdf menu item on start bar on Windows.
fix m4 dealing with split lines

Wei-keng Liao fixed this for pnetcdf. See pnetcdf revision 1904.
synclines and IF macro can interract poorly

See parallel-netcdf revision 1912:
http://trac.mcs.anl.gov/projects/parallel-netcdf/changeset/1912

the IF macro and scanlines can interact in a way that makes gcc unhappy
sync lines for generated C files

m4 can emit 'sync lines' which tell the toolchain "hey, this code
actually came from this other file over here".  Should help prevent
anyone accidentally editing a generated file.