* renamed --spumargin to --sub-margin
* renamed --spu-language to --sub-language
* added note to NEWS about changed names of options

* renamed spu-channel to spu-track
* "Tracks settings" should be "Track settings"

  url somewhere but i don't know where man page conventions would put
  that.

* modules/demux/mkv.cpp: fix for chapters seeking + support for more chapter elements, like hidden chapters. Patch by Steve Lhomme (steve dot lhomme at free dot fr).
* include/vlc_input.h: added an i_level member to seekpoint_t for nested chapters (patch by Steve Lhomme).

wizard.cpp -- change checkboxes to use wxALIGN_CENTER_VERTICAL|wxALL instead of wxLEFT (alignment fix)

* all: updated the used Matroska/Ebml versions to 0.7.5 / 0.7.3, removed the old patches and changed their URLs to the official server instead of the VideoLAN-one

algorithm for http/mms/rtsp by default for now since our algo was designed for local network 
streaming of MPEG over UDP in mind and doesn't work well in other cases.
You can still use the --clock-synchro config option to override this.
Hopefully this commit will be reverted once the clock synchro has been re-written.

* all: initial translations to Hindi, Pashto, Burmese, Tetum, Tagalog and Bengali by Simos Xenitellis' team