The project uses the work flow recommend at https://support.crowdin.com/articles/versions-management/
Developers only update the source translation files in the Rogo BitBucket code repository via pull requests.
The UoN auto build environment updates the develop branch on the crowdin project (https://crowdin.com/project/rogo) so community translators can update the language packs.
There are then made available for easy download by UoN at http://rogo-oss.nottingham.ac.uk/langpacks/
Core developers should see /wiki/spaces/ROGO/pages/42631170 for further information.