Fixes Hyper-V configdrive network injection issue

The Hyper-V driver is not properly handling static IP configuration
injection when flat_injected is true and networks don't have DHCP
enabled. This commit fixes the issue.

Change-Id: Ie54f1c892f1db53b1807661acacbae5bd45c0777
Closes-Bug: #1400069
(cherry picked from commit a8847d877d7bfbc3f2881a298ed5bbd1c1112e06)

Conflicts:
	nova/tests/unit/virt/hyperv/test_vmops.py
Hyper-V: Fix retrieving console logs on live migration

Due to a small nit, the VM console log files are not copied properly
during live migration.

This patch fixes the issue, removing as well two unused arguments.

Closes-Bug: #1399127
Change-Id: I530e18adc0794873de45e6232abdd093f82f82fe
(cherry picked from commit a1fdbca80a1cbd18791c2cbbdd902753a782c38a)

Conflicts:
	nova/tests/unit/virt/hyperv/test_vmops.py