core: Synchronous streaming of LiveResponse
core: Synchronous streaming of LiveResponse

Now we wait for the chunk to be actually sent to the client before
we process any more chunks from fakesink.

GNOME/rygel,GNOME/rygel,Tarnyko/rygel,Pelagicore/Media-Manager-Rygel-patched,GNOME/rygel,luisbg/rygel,jku/rygel,jku/rygel,Pelagicore/Media-Manager-Rygel-patched,Pelagicore/Media-Manager-Rygel-patched,Tarnyko/rygel