[vsphere|compute] get_vm_interface returns a hash, not an object that responds to :key.
[vsphere|compute] Renamed 'vm' to 'server' to be more in line with other fog providers.
[vsphere|compute] Backed out the changed to use a hash and fixed the conversion to an Interface class.
[vsphere|compute] Implemented idiomatic interface destruction.
[vsphere|compute] Default to a VirtualE1000 NIC if not configured.
[vsphere|compute] Implemented idiomatic interface creation.
[vsphere|compute] interfaces#get now properly initializes the Interface object.
[vsphere|compute] Deprecated the old interface creation and destruction methods now that the idiomatic ones exist.
Merge pull request #2356 from fog/improve_vsphere_network_interfaces

Improve vsphere network interfaces