Makefile fixes.
Fixed export_templates.mk and reenabled it
Updated fshell version generation to better work with multiple platforms including winscw
Updated other extension makefiles to better work with sbs --what
EXPORTS
?ImplementationGroupProxy@@YAPBUTImplementationProxy@@AAH@Z @ 1 NONAME ; struct TImplementationProxy const * ImplementationGroupProxy(int &)
?KAutoStartFshell@@3HB @ 2 NONAME ; int const KAutoStartFshell