Rearrange network models parameters

Implements: blueprint nailgun-rearrange-network-parameters

Change-Id: Ib70d1764e783a32423df0d136e8075a66d7cd773
Network configuration UI refactoring

blueprint ui-network-configuration-refactoring

Change-Id: I8db049625aff69ed91d071efd3416b3f9b680c0c