Update to sxiv-1.1.1.

Changes:
 v1.1.1 (June 2, 2013)
  Various bug fixes

 v1.1 (March 30, 2013)
  Added status bar on bottom of window with customizable content
  New keyboard shortcuts \/|: flip image vertically/horizontally
  New keyboard shortcut Ctrl-6: go to last/alternate image
  Added own EXIF orientation handling, removed dependency on libexif
  Fixed various bugs