Added WebAPI project.
Added controller.
Added RefController for ref API.
Updated README.md
Refactored RefController to BaseApiController.
Added service project.
Added Autofac NuGet library for dependency injection.
Added settings for proxy and authentication (Issue #1 and #2)
#1: Fixed authentication mode to accept from users, not from configuration.
Updated README.md.
Updated README.md.
Updated Web.config.