Refactor calc terminology
entry_hash in mongo and the archive.
calc_id is still indexed in ES and works in the api, for legacy reasons. We do no longer use
calc_id in our code, however. Also, variables, function names and doc using "calc-terminology" are updated to "entry-terminology", when appropriate.
The data migration script is also updated accordingly. Additionally cleaning up celery queue argument which does not seem to be used, and ordering the strings in