Make floating_ips module use Network object

This makes the network.floating_ips module use the Network object
instead of going direct to the database.

Related to blueprint nova-network-objects

Change-Id: I589881515fa43f9527a466f9eb22df2768ef3f3a
Make floating_ips module use Instance object

This makes the network.floating_ips module use the Instance object
for queries instead of direct database access.

Related to blueprint nova-network-objects

Change-Id: I213ff4476c3e8277f9df09941e24a1374a1aa569
Make floating_ips module use Service object

This makes the network.floating_ips module use the Service object
for its query instead of direct database access.

Related to blueprint nova-network-objects

Change-Id: I612b032824d828cf2104dd281bb88a4ecba6c8b6
Imported Translations from Transifex

Change-Id: I05e8b0042f792db0ee164f014141ea0d7c97d675
Merge "Imported Translations from Transifex"
Merge "Make floating_ips module use Network object"
Merge "Make floating_ips module use Instance object"
Merge "Make floating_ips module use Service object"