Roadmap: Refactor Permissions to allow multi-tenant

[fcatae]

Allows multiple Arda.Main portal to connect to the same repository

[fcatae]

Research:
Token: https://stormpath.com/blog/token-authentication-asp-net-core
HMAC: http://bitoftech.net/2014/12/15/secure-asp-net-web-api-using-api-key-authentication-hmac-authentication/
HMAC: http://www.codeguru.com/csharp/.net/net_asp/learn-to-secure-an-asp.net-web-api-using-hmac.html

Autorest: https://auth0.com/blog/aspnet-core-apis-with-swagger-and-autorest/