From Robert Osfield, added #if _MSC_VER to restrict pragma usage to just VisualStudio,
and added comment explaining all the extra parsing code in osgversion.
osgarchive
osgconv
osgdem
osgversion
osgviewer
into applications directory. Leaving them in the examples directory
as well, for now.
Made examples optional via the make COMPILE_EXAMPLES=yes option
Added static lib and static plugin build support.