s/pep/armatures/

Signed-off-by: J.D. Welch <me@jdwelch.net>
rename diagram image; add source file for diagram

Signed-off-by: J.D. Welch <me@jdwelch.net>
stub for arm-7.data_in_modules

Signed-off-by: J.D. Welch <me@jdwelch.net>
changed name of diagram. (again. sorry.)

Signed-off-by: J.D. Welch <me@jdwelch.net>
more clarity in arm-0