Add shared-memory-ring-0.3.0
Merge pull request #446 from djs55/shared-memory-ring-0.3.0

Add shared-memory-ring-0.3.0
fix jsondiff url
add dum.1.0.1 update
Package most of Liquidsoap's dependencies.

Closes #444
Signed-off-by: Samuel Mimram <smimram@gmail.com>
Merge remote-tracking branch 'upstream/master'