* Add g:move_auto_indent option to en-/disable auto indentation
* Do not modify readonly buffers
* Silence :move commands to avoid first-time errors on read-only files.
* Add key modifier for bindings (@vitalk)
* Use <A-j> and <A-k> in normal and visual mode (@vitalk)
* Add <Plug>Move{Block,Line}HalfPage{Up,Down} to move text in larger increments.