Merge "Fix a small bug of wrong path to validate-docker-execuate"

tools/cleanup-host

 #!/bin/bash
 
-. tools/validate-docker-execute
-
 # Move to top level directory
 REAL_PATH=$(python -c "import os,sys;print os.path.realpath('$0')")
 cd "$(dirname "$REAL_PATH")/.."
+. tools/validate-docker-execute
 
 # Spawning the neutron-agents container leaves artifacts on the host.
 # This script removes these artifacts.