Add a shell way to build the es schema.
Remove old schema.
Merge pull request #254 from MastodonC/feature/es-schema-build-script

Add a shell way to build the es schema.
Better handling of profile timestamps.

With some added logging and general timestamp handling functions.

Avoid schema-contrib version conflict.
Merge pull request #255 from MastodonC/feature/fix-entity-csv-upload

Better handling of profile timestamps.
Fix the programmes table.
Keys for projects table.