Improve vim window creation, movement and resizing
Improve vim autocompletion with and without plugin

- When available use and set preferences for neocomplcache
- Otherwise fallback to vim's built-in omnicompletion
General cleanup and small improvements  of vimrc
Prepare git config for 2.0 push strategy
Terminator window display improvements

- Increase default window size
- Don't decrease brightness on lost focus