Refs #58 - Reflect new database structure in entity.

Fix install:run command so that it outputs error correctly if install file missing.
Refs #58 - Use new field name in controllers.
Refs #58 - Use new field name in user service.
Refs #58 - Update docblock.
Merge pull request #58 from synapsestudios/feature/58-normalize-user-tokens

Normalize user_tokens table