Change wget to urllib
Remove folsom config because grizzly config is common for folsom and grizzly
Update nova_destroy_all.py util
Fix teardowns
Fix finalization in test_security_group_rules_create
Fix finalization in test_security_group_rules_create_with_invalid_from_port
Fix test_create_image_when_server_is_terminating. Test can be failed due races.
Disable check for set password
Set flavor_ref_alt to 2
Remove dangerous check. Filter can returns more then 3 servers.
Change netaddr to ipaddr because netaddr cannot parse ipv6 address in win