Merge pull request #1 from Mahdi-K/ViewSubjectFeedback

All Good
Changing File Names to be friendly
Adding Feedback to EF Provider
Creating a Repository Container
Adding User Service
Replacing MongoDb with EF
Code Cleanup
Making Birth Date Nullable
Clearing form state after inserting university comment
Making Entity Base an Interface
Adding Repository Container
Adding transaction to feedback insertion
Enabling Lazy Loading
Making exceptions serializable
Creating the first feedback for a university
Inserting new course feedback
@Fix: Incorrect method name
Insert new subject feedback
Code Cleanup
Adding a request interceptor