GRAPES 0.3: add transintional node_addr helper
GRAPES 0.3: disable check for chunk_attrib_chunker
GRAPES 0.3: use new peerset interface
GRAPES 0.3: fix net-helper name
makefile: handle external LDLIBS better

order of libraries do matter. We add external ones both before and after,
it should not create problems ....
Merge branch 'next' into grapes-0.3

Conflicts:
	chunk_signaling.c
	streamer.c
	streaming.c
Added function to retrieve packet loss rate FROM a neighbour (i.e.
the "goodness" of neighbour as a father).

Signed-off-by: Stefano Traverso <stefano.traverso@polito.it>
Merge branch 'next' into grapes-0.3

Conflicts:
	streamer.c
remove debug messages from normal output
Merge branch 'fprintf' into next
changing to AGPL
adding minimalist README
Adding license description to README
Merge branch 'next' into grapes-0.3

Conflicts:
	topology.c
Makefile: remove outdated prepare target
Makefile: changing from binary ML flag to NET_HELPER type definition
Makefile: adding support for the new net_helper-tcp
makefile: declare default target at the beginning
remove x264 specific options from configure and Makefile

it seems better to handle it with CFLAGS, LDLIBS and LDFLAGS, just as
other dependencies of ffmpeg
do not link with libiberty

libiberty is not present in minGW-w64 on Ubuntu 12.04