Improved VS2012 project files for opus lib, to make it work better when converting into VS2013 project

...at least until mod_vlc stabilizes.

This helps to reason about any core dumps that come from libvlc /
mod_vlc.

mod_vlc needs the plugins from vlc-nox to do anything useful.

Currently mod_vlc segfaults without the plugins.  Even after that is
fixed, however, without any plugins mod_vlc can't do its job, so we'll
set a hard dependency here.  I could probably be talked into making
this a Recommends rather than Depends.

FS-6124

interpreter, and fixes for my congential inability to reliably spell psuedo,
er, pseudo, er, whatever.

mod_v8: In FileIO, make sure to initialize buffer with NULL, and add extra space for terminating NULL char

mod_v8: Extended FSEvent class to handle array values in headers, also a new constructor flag was added to make it possible to create events holding only unique headers

FS-6110 --resolve