Kenji Arai / Mbed 2 deprecated Keypad_input_OS2

Keypad program runs on OS2. Extended not only 3x4 but 4x4,4x5 and 5x5 keys.

Dependencies:   mbed Keypad

see /users/kenjiArai/notebook/keypadkey-matrix--control/

Diff: check_revision.cpp

Revision:
3:8a7b6370956f
Parent:
2:d0ae519c229c