NetApp unit test fail fix for http_proxy

The environment having http_proxy settings caused
the unit tests to fail with 404 error. This fix
handles both situations with proxy or without
proxy settings.

Change-Id: I791a45adff654305db9f1fb6f039e91b11ba88d8
Closes-Bug:#1223145
remove rundundant lockfile requirement

This requirement was removed from nova even before
the cinder split.

Change-Id: Ie85eeee9aef81a80d1279f7d21566ec33e20159f
Allow spaces in quoted SSH command arguments

The check_ssh_injection() method was rejecting arguments with spaces
even when they were quoted, this was causing problems with some volume
driver commands such as commands for a storage pool with spaces in the
name.

Closes-Bug: #1244415
Change-Id: Ie4b809e1b39fdb752cf634e6d3c0a3924d8ac52b
Merge "remove rundundant lockfile requirement"
Merge "Allow spaces in quoted SSH command arguments"
Merge "NetApp unit test fail fix for http_proxy"
Imported Translations from Transifex

Change-Id: I51851182eaf19bd096d938e8e04fd56433b7280a