FIXED user.rb name regexes and REFACTORED user.rb 'before_xxx' callbacks
ADDED non-functional apprenticeship/rating model prototypes
GENERATED Apprenticeship and Rating models and MIGRATED database
FIXED user.rb pre-save attribute cleaning
UPDATED Apprenticeship/Rating with belongs_to class_name and DELETED prototype files
UPDATED rspecs and ADDED new models to seeds.rb
ADDED rating model specs and validations required to pass them
Merge remote-tracking branch 'origin/master' into alex-zelikow-newmodels
UPDATED schema
UPDATED rating_spec description
UPDATED rating score test cases