Closes #48
Closes Debian #306110

* modules/codec/ffmpeg/*, modules/stream_out/switcher.c: fix compilation with new ffmpeg versions (use native timebase).

* there seem to be problems with SourceForge's heanet-mirror, using switch (located in CH) instead now

* changed the download-location of libtheora to our server since their own refuses to work once again

   ctrl-s which is also used for changing skins)

(can only happens if we're using SSL and it is a not an error situation)

* Fixes initialization when a preset is saved in the prefs or provided from command line. Could be cleaner, but it seems at least to work.

    conflicts with the version in Debian which I am unable to change.

  (?control=stop&control=seek&control=seek&seek_value=&control=seek) »

style.css : small esthetic fix

* let's build libtwolame by default on OSX and Linux; we might want to disable the original lame in the final release

  enabled.

* vcdx/vcdplayer.c: disabled l10n of various error messages
* vcdx/vcd.c: disabled l10n of 2 debug masks. They are horribly to translate and used by advanced users only, who should speak English well enough for this purpose
* rest: disabled l10n of various strings or debug masks which cannot be translated

more to come

mkv.cpp: make the DVD command interpretor global to the demuxer, interpret the command when a button is clicked