Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

includes a fix to correctly link libmpcdec and latest contrib updates

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Some pages are really huge, the only way we are sure we'll
be able to parse them is to download them entirely

This simplifies error and memory handling.
A few memory leaks were fixed.

Modules must be placed in the subfolder modules/ of the zip package.
Accepted file extensions are .luac and .lua (probed in that order)

Main script's name must be "script.lua"
Modules are not supported yet

This will prevent the watchdog window to pop up if the network is slow

If an Extension didn't respond in 10s, a dialog pops up and allows
the user to kill the Extension (thread cancellation)

In Lua files, embed an image file (PNG, ...) in a string.

Very simple, displays a series of pixmaps in a loop animation.
The spinning icon can be used to indicate background activity,
especially designed for Lua SDs and Lua extensions.