Handle 405 error codes correctly in NVP plugin

When NVP returns a 405 error code no exception is
raised, causing the plugin to assume that everything
went well when it didn't.

Fixes bug #1243411

Change-Id: If70db05b8c6950bfa88a36c4f0c20ee80419d31d
Fix argument mismatch failure for neutron-check-nvp-config

Use sys.argv directly.

Fix bug #1243888

Change-Id: I9cb6ca841d004baf72dd68e44be673c361c2ed05
Fix TypeError: <MagicMock name='LinuxBridgeManager().local_ip'

This patch fixes an error that does not result in a test failure but
causes the following error to be logged in the test logs:

TypeError: <MagicMock name='LinuxBridgeManager().local_ip' id='666599248'>
is not JSON serializable

Related-Bug: #1234857

Change-Id: I65cdd997745d8b760031f8f32e3c10682ad2288e
Imported Translations from Transifex

Change-Id: Iacabec05e369340634cd36231d4e2ced64e0543c
Updated from global requirements

Change-Id: Ifbcffab245f7dee50f5a84489011e220a3f8fea8
Merge "Imported Translations from Transifex"
Merge "Fix TypeError: <MagicMock name='LinuxBridgeManager().local_ip'"
Merge "Updated from global requirements"
Merge "Fix argument mismatch failure for neutron-check-nvp-config"
Merge "Handle 405 error codes correctly in NVP plugin"