Age property set to nullable int
Merge branch 'mvc-school-initial' into dev
Create methods in the StudentsController and Create.cshmtl View deleted
Merge branch 'mvc-school-initial' into dev
All Students and Courses Ids converted to Guids
Merge branch 'mvc-school-initial' into dev
Replaced Guid in Url with username for Student Edit and Details Views, refactored Services
Merge branch 'mvc-school-initial' into dev
Merge branch 'dev'