migrate code over from xos repo

Change-Id: I764ac3196babdb1ce78dded2b2d8d6ad6e965ca6
diff --git a/xos/synchronizer/steps/delete_slivers.yaml b/xos/synchronizer/steps/delete_slivers.yaml
new file mode 100644
index 0000000..fa6b879
--- /dev/null
+++ b/xos/synchronizer/steps/delete_slivers.yaml
@@ -0,0 +1,8 @@
+---
+- hosts: 127.0.0.1
+  connection: local
+  tasks:
+
+  - nova_compute:
+      state: absent
+      name: {{ name }}