* If we are passed a SUB file as subtitle, just open the IDX instead, if there is one. (Closes: #681)

fixes for crash in Safari plugin when terminating (it actually locks the computer completely on some occasion)
- opengl.c: let End destroy elements created by Init, DestroyVout for CreateVout
- voutgl.m: set context to NULL on exit

  inputs are not yet added to the playlist

* Add a "playlist-tree" option to force onelevel/catgory mode

 * skins2/parser/interpreter.cpp: Check the VarMAnager first before trying to parse the action. This fixes a bug with dvd.isActive and LayoutID.isActive

  + cosmetic changes

  Kids, don't try this at home...

20 GOTO 10

* src/input/input.c: use input_AddSubtitles() and fix a bug with the autoselection of autodetected subtitles files.

- configure.ac: replaced 'av_add_i' with 'av_crc_init' when testing avutil as the former is no longer compiled in lib

* modules/video_output/image.c: add --image-width and --image-height to set the size of the image output module.
  Thanks to Menele from the forum for submitting a patch.

* Don't waste ids
* Fix a bug in services discoveries