Adding ability to set 'properties' via Glance

The 'Glance' plugin lacked the ability to set properties
on the images that were created via the plugin.  This patch
adds that ability.

Change-Id: If2c73050ed8335b3a22b79bb7ce28189de046427

library/glance

@@ -57,6 +57,9 @@ options:
         choices:
             - true (public)
             - false (private)
+    image_properties:
+        description:
+            - List of properties and their values
     api_version:
         description:
             - which version of the glance api to use
@@ -85,6 +88,7 @@ EXAMPLES = """
     image_container_format: bare
     image_disk_format: qcow2
     image_is_public: True
+    image_properties: { "os_distro": "cirros" }
 
 # Get facts about existing images
 - name: Get image facts
@@ -183,7 +187,8 @@ class ManageGlance(object):
             name=image_name,
             disk_format=p['image_disk_format'],
             container_format=p['image_container_format'],
-            copy_from=p['image_url']
+            copy_from=p['image_url'],
+            properties=p['image_properties']
         )
         if v == '1':
             image_opts['is_public'] = p['image_is_public']
@@ -223,6 +228,7 @@ def main():
             image_container_format=dict(required=False),
             image_disk_format=dict(required=False),
             image_is_public=dict(required=False, type='bool'),
+            image_properties=dict(required=False),
             api_version=dict(default='1', required=False, choices=['1', '2']),
             insecure=dict(default=False, required=False, type='bool')
         ),