Revert "Added folders/files for UI"

This reverts commit fcd41a86e6e5ce67dfe2f01a46ad9819ae4482a5.
added validations to put()

When Model.put() is called, it checks the unique_fields array and queries to make sure the field value is unique
Merge branch 'UI' into dev_matt

Conflicts:
	drink-o-matic/main.py
	drink-o-matic/stylesheets/drinkomatic.css
added helper methods on Ingredient