Apply overriding major-mode's key by makie's function

This commit can override major-mode's key by mykie's functions of
global-map without :default function.
:default function use major-mode's original function.
To use this function, set 'both or 'global to
`mykie:use-major-mode-key-override'.
Fixup default&bolp & default&eolp
Improve docstrings
Rename to mykie:aif mykie:major-mode-ignore-list
Rename to mykie:minor-mode-ignore-list
Makeover README.md and use org file instead of markdown