window switcher, run dialog and dmenu replacement

 rofi can act as an application launcher, window switcher, ssh launcher and
 dmenu replacement.
 .
 Included features:
  * Full (configurable) keyboard navigation
  * Type to filter
    + Tokenized: Type any word in any order to filter
    + Case insensitive
  * UTF-8 enabled
    + UTF-8 aware string collating
    + intl. keyboard support (`e -> è)
  * Pango font rendering
  * RTL language support
  * Window Switcher
    + I3 support (requires i3-wm to be installed)
    + EWMH compatible WM
  * Run dialog
  * Desktop File Run dialog
  * SSH launcher
  * History based ordering based on use. (optional)
  * Levenshtein distance ordering of matches. (optional)
  * Drop in dmenu replacement (with many added improvements).
  * Can be easily extended using scripts.