Change the license to LGPLv2.1+
Change the license to LGPLv2.1+

as we have permission from the copyrights holders

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