Add physical_network to binding:vif_details dictionary

During port binding binding:vif_details dictionary is
updated with physical_network to be used by mlnx nova vif driver.
binding:profile update will be removed once nova side fix is merged
to keep consistent solution.

Change-Id: If9525929a1546e8d05f7923570d30dfc2eed8898
Closes-Bug: 1304872
Imported Translations from Transifex

Change-Id: I9d14a60d8915ebfec13b6635c43c70458f9b571a
Merge "Add physical_network to binding:vif_details dictionary"
Merge "Imported Translations from Transifex"