sort Create Node Group Template's Flavor List

The Flavor dropdown menu should be sorted and make use of
the CREATE_INSTANCE_FLAVOR_SORT in local_settings.py.

Change-Id: I42b3a98a17ff188c9ea817c5a344d77076ecafc6
Closes-Bug: #1361871
Imported Translations from Transifex

Change-Id: I4b1734e7ed957f26dce8acdfa70de63016add275
Merge "sort Create Node Group Template's Flavor List"
Merge "Imported Translations from Transifex"