Converts some A2Rv3 flux images to A2Rv2.
There may be situations where you want to test woz creation using older versions of Applesauce.
make all
a2r3to2 infile.a2r outfile.a2r
cat infile.a2r | a2r3to2 > outfile.a2r
Where infile.a2r is a version 3 A2R input file and outfile.a2r is a version 2 A2R file that will be created.