Updating runSlicer to run with a configuration file

slicerScripts/HOWTO

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+Copy env.sh.template to env.sh and update variables.
+Usually it is OK to leave FUSER at preset value as it
+locates the Slicer binary, which is not in each user's home.
+
+DISPLAYID should not clash on a machine. Best to set them to
+a unique values. Currently on merlin:
+110 tomcat8
+210 andrej

slicerScripts/env.sh.template

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+UHOME=/home/andrej
+SLICER=$UHOME/software/install/Slicer
+DISPLAYID=210
+

slicerScripts/runSlicer.sh

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+#!/bin/bash
+
+. `dirname $0`/env.sh
+
+export DISPLAY=:$DISPLAYID
+TEMP=~/.xpra/temp.log
+#make sure xpra is running a virtual buffer at DISPLAY
+
+xpra info $DISPLAY > $TEMP || xpra start $DISPLAY;
+
+nohup $SLICER/Slicer --no-main-window --python-script $1  0<&- &> $HOME/logs/runSlicer.log &