changed the login page to match our wireframe
added dummy register page
login now uses email instead of username
password is hashed when compared
moved database design.jpg to documentation.
register functions complete
added level to surveyCreator.
password hashing is now implemented in php code
code clean up. Removed redundant form models

removed the register/login action extra step.
minor fix for message reponse when error on password registration fields.
Merge branch 'Authentication-and-registration'
Merge branch 'create-CRUD-operation-for-all-db-tables'