Log transaction id on each journal entry

For each journal entry, add the transaction id for the process
that called the log interface. This will be used to identify all
the journal entries associated with a dbus message.

Change-Id: Id934253bd77a517315e6cdba01a8ac819ad95b52
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
3 files changed