Log Message:
graphics/nsxiv: update to 33

Changes:
  * Moved key-handler prompts to the right side bar [#481][]
  * Rename `--class` to `--name` [#515][]
  * Print usage output to `stderr` on usage error [#510][]

Added:
  * Added cli flags `--cache-{allow,deny}` to white/black list directories from \ 
thumbnail caching [#461][]
  * Print ellipsis when text is truncated in the statusbar [#501][]
  * Allow disabling thumbnail mode via `--thumbnail=no` [#502][]
  * Allow disabling animation playback via `-A 0` [#502][]
  * Add `--bar` to enable statusbar [#502][]
  * Updated `rotate()` in key-handler example to support `nsxiv -0` [#521][]

Fixes:
  * Unresponsive UI when animation is too fast [#489][]
  * Fixed image placement when rotating [#493][]
  * More reliable reading of various script output [#490][]
  * Statusbar getting stuck at "Running key-handler..." [#481][]
  * Fixed autoreload when directory is root [#498][]
  * Fixed `-A` not working [#503][]
  * Selecting incorrect thumbnail when clicking outside the thumbnail area [#517][]
  * Fix exiv2 argument order in key-handler example [#518][]