Adds validations to uniqueness PatientDiagnosis / Diagnosis. Adds index to PatientDiagnoses Table
Adds Glorious Diagnoses Predictive Search
Makes diagnosis search into 1 select / input predictive text box
Fixes bug in fancy diagnoses selector
Fixes bug in fancy selector JS keypress enter event outside of .ready
Adds diagnosis to seed.rb. Adds pagination to list views. Adds google omniauth gem and callback route