Create a lock file after populating the database allowing database to no...

Create a lock file after populating the database allowing database to not be repopulated on every vagrant up or provision

We will have to amend the docs after this is uploaded to add the removal of the jnl-elife.sql.gz.lock file if we want to recreate the database.

The speed gains of 'vagrant up' an 'vagrant provision' take if from a 3 minute to less than 1 minute.