This will catch broken plugins at build-time rather than run-time.

Nobody will ever be bored enough to fix these ones.

It has NO target.

  (some PPC user should review this)
- Don't find canonical build and target (heck, VLC is not a compiler!)

(well only for libtool and shared libvlc)

Clean your build tree before whining.

And yes, it breaks the mostly-builtin option (obviously).
It also speeds up automake a tiny bit.

This still needs work to make it look better, and be able to use it with the "motion" control module.

+ temporarily re-enable vout-filter until video-filter is updated

I include this so that it can get some testing and debugging, but it has some issues:
* Several coding style / indentation problems that make the code quite hard to read
* Use of config_Get/config_Put instead of vars
* In my tests, it crashes as soon as bz-length is not == 0, which basically makes the attenuation effect inoperant

Merge time and marq filters. Marq now handles the %letter time format strings and new $letter VLC format strings. Still needs some work.