* Carapal react mockup
This is really just a mock up written in React to try different
components. It could become scaffolding to build a prototype, or not.
* Preliminary commit for Celery backend
* Move the SQL query execution to the celery worker.
* React scetch
* Refactor SQL execution to use the celery if configured.
* Refactor SQL execution to use the celery if configured.
* Add query model
* Remove QueryResult. Query has a tmp_table_name field that has all the data.
* Add create table as wrapper.
* Create table as
* Address the comments.
* Add trailing commas
* Remove the init_query test.
* Handle 'undefined' schema case
* Hack around the "last migration doesn't stamp" Alembic bug
This makes MySQL, Sqlite and Postgres work with a special hard coded
rule. I'm hoping Alembic fixes the root cause eventually.
* Running db upgrade twice in tests
