[config, i18n] Create default translation mechanism for all supported languages.
Mostly usefull in test where language are never initialised from .po files.
This is a reapplication of changeset 1a423eaee782 backouted by b9ffecd0316a with
an additional fix not to break i18nxxx commands
# type attribute might already be there if migrating from
# version < 3.5 to version >= 3.5.3, BaseTransition being added
# in bootstrap_migration
if versions_map['cubicweb'][0] >= (3, 5, 0):
add_attribute('BaseTransition', 'type')
sync_schema_props_perms('state_of')
sync_schema_props_perms('transition_of')