Update DVDStyler to version 1.8.2.1

Pkgsrc changes:
- Added LICENSE
- Re-enable all translations, they are computed OK now.

Upstream changes:

Version 1.8.2.1 <2011.01.31>
----------------------------

  * updated some translations

Version 1.8.2 <2010.11.25>
--------------------------

  * fixed rendering of menu (considering aspect ratio)
  * added generation of up to 3 subpicture streams for widescreen menus
(widescreen, letterbox, panscan)
  * fixed rendering of video frame
  * added auto duplication of title selection menu
  * added menu option "remember last selected button"
  * added detection of default video format at first start
  * added setting for interlaced video
  * added possibility to specify video border and cropping
  * added support of stream- and cell-tag in dvdstyler project file
  * changed to not use mplex by default
  * fixed command line bug
  * fixed validation of disc label in welcome dialog
  * fixed validation of custom actions
  * added validation of chapters
  * added setting "Accept invalid actions"
  * fixed initialization of cache
  * fixed bug 2919588 (displays error message if user try to create more than
12 buttons)
  * fixed bug 2963754 (save play all)
  * fixed bug 2995164 (Infernal loop)
  * fixed bug 3062442 (frame button misbehavior)
  * updated dvdauthor to version 0.6.18
  * updated ffmpeg to version 0.6
  * added support of Mac OS X

Version 1.8.1 <2010.05.25>
--------------------------

  * added possibility to change subtitle options
  * added support of VCD and half D1 resolutions
  * added validation of custom actions
  * some other small changes


(gls)