kes Apply Eric's patch for recycling the Scratch pool.

kes  Note, for the tray-monitor (or almost any restricted console_
     to work, in version 1.39.x you must add CatalogACL = catalog-name
kes  Add appropriate new #undefs to autoconf/acconfig.h so that
     configure works correctly.
kes  Implement configure code to allow the user to disable IPv6 with
     --disable-ipv6
kes  Apply Richard Mortimer's patch to prevent seg fault if mount point
     not specified -- SD refuses to start.
kes  Add magic.bacula from bug #715 to the scripts directory along with
     Arno's explanation of how to install it.
kes  Convert a bunch of hdr.name into name() method calls.
kes  Fix the code to remove .bsr files.  Fixes bug #736 -- Martin.