on mac, use cmd as meta key
emacs: added packages to init file
emacs: added auto pair
emacs: set option key to super key
some new bindings
fix cmd c
navigate text with option key the same way as ctrl
emacs keybindings:

- move line without putting in kill buffer
- delete line without putting in kill buffer
- when text selected and start write. delete old 
text
remove unused code
emacs init file stuff
emacs stuff