* Ensure there is a default display order
 * Remove references to non-existant default ceiling accomodation-selfbook
Merge pull request #289 from iseppi/product-display-order

Non-alembic fixes to default DB load
DO NOT MERGE THIS BRANCH INTO TRUNK
 * Comment out 2x op.execute commands that conflict with the default data load
 * Create fake head revision that will ensure the initial DB load happens after the schema has loaded
 * Remove initial DB load from first alembic commit