It will be reenabled in a future upload.

Necessary because during build-indep the CMake generator
never runs, thus we cannot know the list of generated targets.

The test suite is now excluded, too, because we don't run it
and it weighs ~30 MiB while not compressing well either.

BcGitVersion.cmake needs this to work correctly.

* libsdl1.2-dev is not used if ffmpeg is available
* sqlite3 is neither compiled nor linked against directly
* libebml-dev and libcunit1-ncurses were always wrong
* libltdl-dev, intltool and gettext are not used anymore