Return ViewModels tothe main project and clean up the Models solution

[zippy1981]

I need to clean up a mess I made in #1.

Some of the Models in the Models assembly aren't EF6 models, they are MVC ViewModels. They don't belong there and need to be put back.

Additionally, I need to create separate folders for the Identity Stuff, and separate folders for contexts and models.

Namespaces as follows:

• AlwaysEncryptedSample.csproj:
  • AlwaysEncryptedSample.ViewModels
• AlwaysEncryptedSample.Models.csproj:
  • AlwaysEncryptedSample.Models (just the dbutility class)
  • AlwaysEncryptedSample.Models.Application
  • AlwaysEncryptedSample.Models.Application.Context
  • AlwaysEncryptedSample.Models.Identity
  • AlwaysEncryptedSample.Models.Identity.Context