Add some notes about how to build unversioned dlls
Add some notes about how to build unversioned dlls

using mingw

hammera/liblouis,liblouis/liblouis,BueVest/liblouis,IndexBraille/liblouis,hammera/liblouis,liblouis/liblouis,vsmontalvao/liblouis,vsmontalvao/liblouis,IndexBraille/liblouis,vsmontalvao/liblouis,BueVest/liblouis,BueVest/liblouis,BueVest/liblouis,IndexBraille/liblouis,hammera/liblouis,liblouis/liblouis,liblouis/liblouis,hammera/liblouis,hammera/liblouis,vsmontalvao/liblouis,IndexBraille/liblouis,liblouis/liblouis,vsmontalvao/liblouis,hammera/liblouis,BueVest/liblouis,BueVest/liblouis,IndexBraille/liblouis,liblouis/liblouis