updated guidances controller and views to reflect new schema

made necissary changes to allow the app to display the splash/login screen

replaces Organisation. with Org. in all files

began changing models to reflect the new model names and relationships, additionally deleting some old/unused models which no longer apply in the new schema.

added migration to add foreign keys. Also needed to remove the temporary models, and update existing models to reflect the new relationships

updated models for data migration