* Free scandir results when we are done with them. Issue pointed out by jmvallat_vlc at mac dot com.

* Enable liveMedia's RTSP over HTTP mode. This is something first used by QuickTime, and useful to get around annoying and dense NAT/firewall/proxy setups.
  --rtsp-http enables the HTTP tunneling. --rtsp-http-port allows you to choose which port. The default port is 80.

header from internal headers. 
Patch elaborated with Olivier Aubert.

Makefile.am: target 'package-win32-base-exe' is now a bit smarter when looking for makensis, which also cover cygwin. Hence, target 'package-win32-base-exe-cygwin' is now redundant

  Tested against the WAV 6ch Speaker Test from SeeMoreDigital.net (Validated against QuickTime Player)

* Don't upmix the channels if we only have Stereo or Mono audio. Let the device setup take care of that.

* ran 'make update-po' to get everything in sync again (the previous commit was targetted for 0.8.4a, but the translation was a bit too slow)

  patch by Diego 'Flameeyes' Petteno < flameeyes at gentoo dot org >