Write custom migration so as to spare data from being lost
Make django think in terms of related calculation jobs rather than 'versions'
Change scala so that it sees the world in terms of indicator job ids
Change some javascript to agree with scala/python representations
Make windshaft work and flatten some pyramids
Add endpoint for latest job and remove references to 'version' from JS
Ensure scala and javascript communicate nicely
Change django tests
Filter by city name for latest indicator
Replace version with job
Merge pull request #370 from moradology/feature/refactor-versions

Feature/refactor versions