Refreshed translations

Updated translations by running the following:
$ python setup.py extract_messages
$ python setup.py update_catalog --no-fuzzy-matching \
  --ignore-obsolete=true
$ source \
  ../infra/project-config/jenkins/scripts/common_translation_update.sh
$ setup_loglevel_vars
$ cleanup_po_files trove

Change-Id: I2fcb4e3a0714a73a7026ce2d2c3ffde8aaee1236