Display a visual fill column indicator.
Refactored code and added more general config.
	modified:   lisp/init-local.el
	new file:   local-lisp/init/init-appearance.el
	new file:   local-lisp/init/init-general.el
	new file:   local-lisp/init/init-indentation.el
	modified:   local-lisp/init/init-key-binding.el
Fix an accidental commented code.
Make magit do not hightligh the line where the cursor is, since it will
make the diff code unclear.