Fix #337 - don't promt for sudo passwd for non-existing directories
Add some extra keybindings

`prelude-smart-open-line` is now bound to `M-o` as well
`prelude-start-open-line-above` is not bound to `M-O` as well
Merge branch 'master' of https://github.com/bbatsov/prelude
First commit google-c-style.el.
indentation from 2 to 4
using google style for cc-mode.