kes Save jcr in thread specific data (tsd) for each thread.

kes  Make Dmsg() print JobId as -%u.
kes  Make Jmsg, Emsg, and others automatically pickup the jobid
     for the thread if it exists.
kes  Remove old reservation debug jid code.
kes  Remove get_jcr_from_tid() from OpenSSL and tls code.
ebl  Add an option that permit to specify spool size in job
     definition. (Applying patches/testing/spoolsize_per_job.patch).
     You must upgrade SD and DIR at the same time.