Move tempest config to lib/tempest

* Using iniset
* Config based on the tempest.config.sample
* tools/configure_tempest.sh is pending for removal

Change-Id: Ia42e98ba4b640b89bcd2674008090909d88a2efb
diff --git a/stack.sh b/stack.sh
index 9428356..c4f26f4 100755
--- a/stack.sh
+++ b/stack.sh
@@ -1713,7 +1713,11 @@
 # Configure Tempest last to ensure that the runtime configuration of
 # the various OpenStack services can be queried.
 if is_service_enabled tempest; then
+    echo_summary "Configuring Tempest"
     configure_tempest
+    echo '**************************************************'
+    echo_summary "Finished Configuring Tempest"
+    echo '**************************************************'
 fi