Revert version.py to its merge value

The file was updated because of a devflow bug

image_creator/version.py

 __version__ = "0.4.1"
 __version_info__ = ['0', '4', '1']
 __version_vcs_info__ = {
-    'branch': 'debian-wheezy',
-    'revid': 'e875afd_4fecb16',
-    'revno': 323}
-__version_user_info__ = "root@snf-59857"
+    'branch': 'master',
+    'revid': '628054a',
+    'revno': 313}
+__version_user_info__ = "skalkoto@darkstar.admin.grnet.gr"