1. Commit original paper tape images B220_Paper_Tapes.zip and
TR1101_TR1301.zip archives from
http://bitsavers.org/bits/Burroughs/B220/.
2. Update and reorganize software/Diagnostics folder; Add README.txt.
3. Commit Michael Mahon's consolidation of the TR1202..TR1206 tests as
Mahon-Regression-Test.pt.
4. Correct formatting of "*" (current assembler location) operand in
BAC-Disassembler.html.
5. Minor corrections to 220-Paper-Tape-Decoder.html.
6. Commit new 220-Format-Band-Disassembler.html script to generate BAC-
Assembler FBGR pseudo ops from memory images of Cardatron format bands.
