Fixes Include:
 - Fixed info print statement when using flat network
 - deploy now looks at arp table as well to determine instack IP address
   as default leases file may not exist
 - clean now uses --pool with vol-delete command

JIRA: APEX-50

Change-Id: I664fd06e92e0890e0b65191851dfa81f8d8ac492
Signed-off-by: Tim Rozet <trozet@redhat.com>