34086e5 Update the license tag to SPDX, acknowledge GPL version >2 is allowed

Authored and Committed by churchyard a year ago
    Update the license tag to SPDX, acknowledge GPL version >2 is allowed
    
    The classifier is:
        License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)
    
        
file modified
+2 -1