Update glance_image provider with API v2

Some arguments are deprecated in API v2.
This patch aims to update glance_image provider to fit with the
OpenStack Images API v2.0 (latest stable).

Note: Glance API v2 is by default from OpenStack Folsom release.

Change-Id: Ic06a839324aa0a6e11b16a13ad8927a1da6e13e4
Signed-off-by: Emilien Macchi <emilien.macchi@enovance.com>
Merge "Update glance_image provider with API v2"