Unit Tests

- Enhanced 'run_all' so that by default, it does not run the benchmark.t
  script, but does if the 'slow' argument is specified.

src/tests/run_all

@@ -2,6 +2,14 @@
 
 date > all.log
 
+MODE=quick
+if [ "x$1" == 'xslow' ]; then
+  echo 'Including benchmarks'
+  MODE=slow
+else
+  echo 'Skipping benchmarks'
+fi
+
 VRAMSTEG=/usr/local/bin/vramsteg
 BAR=0
 if [ -x $VRAMSTEG ]; then
@@ -18,7 +26,9 @@ do
     COUNT=$[COUNT + 1]
   fi
 
-  ./$i >> all.log 2>&1
+  if [[ $MODE == 'slow' || $i != 'benchmark.t' ]]; then
+    ./$i >> all.log 2>&1
+  fi
 done
 
 if [ $BAR == 1 ]; then