Admin/isatest/crontab.lxbroy2

updated isatest to isabelle build, which also includes doc-src sessions;

03 00 * * *                  $HOME/bin/checkout-admin
17 00 * * *                  $HOME/bin/isatest-makedist
01 08 * * *                  $HOME/bin/isatest-check

04 23 31 1,3,5,7,8,10,12 *   $HOME/bin/logmove
04 23 30 4,6,9,11 *          $HOME/bin/logmove
04 23 28 2 *                 $HOME/bin/logmove