changed directory naming to match conventions

1 job for master in 2 seconds (queued for 1 second)
Name Stage Failure
failed
prod Deploy
catalog ckan/i18n/de/LC_MESSAGES/ckan.po is marked as fuzzy, skipping
$ python setup.py update_catalog --locale en_GB
running update_catalog
updating catalog ckan/i18n/en_GB/LC_MESSAGES/ckan.po based on ckan/i18n/ckan.pot
$ python setup.py compile_catalog --locale en_GN
running compile_catalog
error: [Errno 2] No such file or directory: 'ckan/i18n/en_GN/LC_MESSAGES/ckan.po'
Cleaning up project directory and file based variables
ERROR: Job failed: exit status 1