- change keymap for M0110
- add a Make target 'hasu' to build with hasu keymap.

- rewrite special key handling in m0110.c
- add mouse keys to keymap

- README is written with markdown notation.
- m0110.c can handles Arrow keys and Calc keys of M0110A.
- EXTRAFLAGS and EXTRALDFLAGS are added in rules.mk to give flags on make command line.