Overlay - Basic test/demonstration program

Patch by Soren Bog <avacore@videolan.org> from GSoC: Overlay - Add alpha component to subpicture regions.

Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>

note to self: Keep an eye on it if you update the OS X GUI...

Preliminary HTTP Digest Access Authentication client side support. auth-int support is incomplete (so it won't work). A few FIXMEs still need to be addressed.

changed the remaining xpm files from static char* to const static char* to avoid some more compiler warnings
Signed-off-by: Rafaël Carré <funman@videolan.org>

Download all packages before starting the compilation process. This allows extras/contrib creation on the go without a constant internet connection. Mac-only for now.

I know this is very web 1.0, but still important to some folks.

wxwidgets: Don't forget to vlc_gc_decref() the input_item_t once we are done (Patch inspired from Qt interface)
Signed-off-by: Rafaël Carré <funman@videolan.org>

When specifying --sout-transcode-samplerate and --sout-transcode-channel, set the OUTPUT format instead of the INPUT

Fix resampling when using mp4a (faac is the only option atm)

Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>

Signed-off-by: Rémi Duraffort <ivoire@videolan.org>

Misc changes to Lua HTTP interface: spelling, Load/Reload debug message now reflects real behavior, enforce .hosts files for directory listings, accept Lua code in CSS files too, remove useless "/old" exclusion.

qt4: Don't forget to vlc_gc_decref() the input_item_t once we are done with it in OpenDialog::finish().

I422 is a planar chroma with non-square pixels. It requires some pixel
play when rotating the image at a 90-degree angle. For other transformations
we just fall back to the original function.

Added "mingw32ce" as a possible host_os name, and linked more plugins with
-lws2 (namely audioscrobbler, growl, rtp and stream_out_rtp).