added system tests

bin/tests/system/clean.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+#
+# Clean up after system tests.
+#
+
+. ./conf.sh
+
+find . -type f \( \
+    -name 'K*' -o -name '*~' -o -name '*.core' -o -name '*.log' \
+    -o -name '*.pid' -o -name '*.run' -o -name '*.keyset' \
+\) -print | xargs rm
+
+for d in $SUBDIRS
+do
+   test ! -f $d/clean.sh || ( cd $d && sh clean.sh )
+done