azure-0.0.4: Dzhus/provider update (#110)

* add js code and fix Register view

* update User and RegisterViewModel

* add migration updatedUser

* add property Name and change migration 'updatedUser'

* added validation to the properties

* edit migration 'Init' and Login view

* fix codesmells

* fix issues

* changed Name to FirstName and fix migrations

* update Provider model

* update Workshop model

* add migration "UpdatedProviderAndWorkshop"

* changed launchUrl and made endpoints Get and GetById available for not authorized users

* updated method "Create" in ProviderContorller, solved problem "Lazy Loading is messing with Navigation properties", updated mapping extesions for provider and fix issues.

* added new endpoint "GetProviderByUserId"

* add UserControllers and endpoints for User entity

* fix issues

* made Get and GetById endpoints in Workshop and Teacher Controller accessible for unauthorized users

* update method Delete in ProviderService

* fixed unit tests and commit unsuccessful tests

* fix codesmells

* Moved the logic of creating a provider from ProviderController to ProviderService. Resolved problem with address dublication. Overrided the methods Equals and GetHashCode in AddressDto.

* removed class ErrorDetails and replaced it with AnonymousType

* Changed logic of creation new Provider. Added new method in GenericRepository.

* Added new logic for deleting Provider and fixed issues

* removed AddressRepository from ProviderService