CLOUDSTACK-2509: [Cisco VNMC]No way to block incoming traffic as ACL created with PF/Static Nat is Source is Any
No longer creating firewall rule as part of PF/Static NAT rule creation. Now firewall rule needs to be configured separately.
Also made some changes to exception handling.
multiple fixes to regression tests

- remove references to account.account
- remove ostypeid references
- correct zone.networktype
- correct storage_motion assert. skip on invalid environmetn

Signed-off-by: Prasanna Santhanam <tsp@apache.org>