RF: Fix fslpython/w arg pass-through, fix permissions

bin/fslpython

@@ -5,4 +5,4 @@ if [ "$FSLDIR" = "" ] ; then
   exit 1
 fi
 
-exec ${FSLDIR}/bin/python $*
+exec ${FSLDIR}/bin/python "$@"

bin/fslpythonw

@@ -6,7 +6,7 @@ if [ "$FSLDIR" = "" ] ; then
 fi
 
 if [ -e ${FSLDIR}/bin/pythonw ]; then
-  exec ${FSLDIR}/bin/pythonw $*
+  exec ${FSLDIR}/bin/pythonw "$@"
 else
-  exec ${FSLDIR}/bin/pythonw $*
+  exec ${FSLDIR}/bin/python "$@"
 fi