kes Close bat console windows first to eliminate error message

kes  Close bat console windows first to eliminate error message
     from the notifier.
kes  Remove useless code in Scheduler that causes seg fault on
     termination.
kes  Correct some SD catalog request error messages.
kes  Don't allow pruning of any running job.
kes  Turn off code in read_record that cause seg fault in the SD
     when reading past an EOS_LABEL.
kes  Turn off unloading the autochanger in reserve.c as it just
     causes problems.
kes  Lock volumes when unreserving a device.
kes  Do not mark volume unused when recycling.
kes  When acquiring, don't mark volume unused if it is reserved (busy).

git-svn-id: https://bacula.svn.sourceforge.net/svnroot/bacula/branches/Branch-2.2@6812 91ce42f0-d328-0410-95d8-f526ca767f89