rework to allow creating multiple clients that connecting to different
jack servers in one process
done by creating a client context which holds server id, this context
is then evaluated against global variables that were extended to hold
multiple synchronization instances for each client
Change-Id: I3a6b4a44fe9d820ba6b6bbbeb06b158d9ad43fce
Signed-off-by: Adam Miartus <external.adam.miartus@de.bosch.com>