Arnel A. Borja authored Apr 10, 2013 and Sebastien Granjoux committed Apr 13, 2013

- Check for Windows in configure.ac templates.
- Add win32-dll to LT_INIT options.
- Add -mwindows to LDFLAGS of GUI applications if compiling for native
  Windows.
- Add -no-undefined to LDFLAGS of libraries if compiling for Windows.
- Replace -Wl,--export-dynamic with -Wl,--export-all-symbols in LDFLAGS of
  applications if compiling for Windows.
- Add Windows support option to wizards.

Affected templates are cpp, gtk, gtkapplication, gtkmm, library, terminal
and vala-gtk.