dce6800 Convert to %autorelease and %autochangelog

Authored and Committed by zbyszek a year ago
    Convert to %autorelease and %autochangelog
    
    Of course I forgot to bump the release and add a changelog entry in
    the previous commit. Let's convert to rpmautospec so this doesn't
    happen again.
    
    [skip changelog]
    
        
file added
+98
file modified
+2 -96