isatest: fresh copy of settings avoids odd cumulative environment;

--- a/Admin/isatest/isatest-makeall	Mon Mar 14 12:34:12 2011 +0100
+++ b/Admin/isatest/isatest-makeall	Mon Mar 14 15:13:00 2011 +0100
@@ -153,6 +153,7 @@
         rm -rf $ISABELLE_HOME_USER
     fi
 
+    cp $DISTPREFIX/Isabelle/etc/settings.orig $DISTPREFIX/Isabelle/etc/settings
     cat $SETTINGS >> $DISTPREFIX/Isabelle/etc/settings
     (ulimit -t $MAXTIME; cd $DIR; $NICE $TOOL >> $TESTLOG 2>&1)
 

--- a/Admin/isatest/isatest-makedist	Mon Mar 14 12:34:12 2011 +0100
+++ b/Admin/isatest/isatest-makedist	Mon Mar 14 15:13:00 2011 +0100
@@ -83,6 +83,7 @@
 ISABELLE_DIST=`cat $DISTPREFIX/ISABELLE_DIST`
 $TAR xvzf $ISABELLE_DIST >> $DISTLOG 2>&1
 ln -sf $(basename $ISABELLE_DIST .tar.gz) Isabelle
+cp Isabelle/etc/settings Isabelle/etc/settings.orig
 
 ssh atbroy102 "rm -rf /home/isatest/isadist && mkdir -p /home/isatest/isadist" && \
 rsync -a "$HOME/isadist/." atbroy102:/home/isatest/isadist/.

--- a/Admin/isatest/settings/at-mac-poly-5.1-para	Mon Mar 14 12:34:12 2011 +0100
+++ b/Admin/isatest/settings/at-mac-poly-5.1-para	Mon Mar 14 15:13:00 2011 +0100
@@ -25,4 +25,3 @@
 
 ISABELLE_USEDIR_OPTIONS="-i false -d false -t true -M 4 -q 2"
 
-unset KODKODI

--- a/Admin/isatest/settings/at-sml-dev-e	Mon Mar 14 12:34:12 2011 +0100
+++ b/Admin/isatest/settings/at-sml-dev-e	Mon Mar 14 15:13:00 2011 +0100
@@ -24,5 +24,3 @@
 
 ISABELLE_USEDIR_OPTIONS="-i true -d pdf -v true"
 
-unset KODKODI
-