overleaf/migrations/about_migrations.md

If migration is stopped mid way it will start at the beginging next time

To see the run migrations do db.getCollection('_migrations').find() you can't do db._migrations.find()

When testing, to roll back a migration run:

```
./node_modules/east/bin/east rollback 5 --adapter east-mongo --url mongodb://localhost:27017/sharelatex
```
Add migration to remove holding accounts 2017-01-30 13:36:06 +00:00			`If migration is stopped mid way it will start at the beginging next time`

			`To see the run migrations do db.getCollection('_migrations').find() you can't do db._migrations.find()`

			`When testing, to roll back a migration run:`

			```
			`./node_modules/east/bin/east rollback 5 --adapter east-mongo --url mongodb://localhost:27017/sharelatex`
			```