Otherwise, it'll screw up completely when we add vlc_cond_timedwait

Not particularly clean, but we need to pass the exit request from libvlc
to the actual interfaces and inputs somehow...

I wonder why I added this option in the first place.

Other projects have had CVEs for much less than this (e.g. CVE-2006-4567)

- Fix non-aggregate control URL

Makes it clear that subversion is required for ffmpeg & tremor
Removes obsolete libraries from the list