reorganized existing ansible playbooks

Change-Id: Ib08c2c4c685eb30a4c804ece0b667575c04d2ca0

.zuul.yaml

@@ -126,11 +126,11 @@
       Setup a SAIO dev environment and run Swift's probe tests
     timeout: 3600
     pre-run:
-      - playbooks/saio_single_node_setup/install_dependencies.yaml
-      - playbooks/saio_single_node_setup/setup_saio.yaml
-      - playbooks/saio_single_node_setup/make_rings.yaml
-    run: playbooks/probetests/run.yaml
-    post-run: playbooks/probetests/post.yaml
+      - tools/playbooks/saio_single_node_setup/install_dependencies.yaml
+      - tools/playbooks/saio_single_node_setup/setup_saio.yaml
+      - tools/playbooks/saio_single_node_setup/make_rings.yaml
+    run: tools/playbooks/probetests/run.yaml
+    post-run: tools/playbooks/probetests/post.yaml
 
 - project:
     check: