CLOUDIFY-2600 add type metadata of network to runtime_properties and use it when resolving network
CLOUDIFY-2600 bug fixes
CLOUDIFY-2600 bug fix
CLOUDIFY-2600 create new ports with no security groups
CLOUDIFY-2600 fix external_id and other runtime properties assignment
CLOUDIFY-2600 test without specifying security groups
CLOUDIFY-2600 restore empty security groups for port
Merge pull request #2 from CloudifySource/feature/CLOUDIFY-2600-openstack-relationship-types

Feature/cloudify 2600 openstack relationship types