Added basic models and associations discussed previously
Combine types of user models into just one (use controller to restrict based on roles) and add resume model
Add validations for job fields
Add new table migrations for tags, jobs, resumes, categories, skills
Update associations
Delete some old migrations, update others.  Also added new migrations
Some changes to get the migrations working correctly.
Some changes to get app working.
Renamed posts to resume as there is a direct mapping.
Pointing links to # and updated routes and controllers.
Updated setup rake to use correct roles and permissions.