Added test project.
Added configuration project.
Added configuration element classes for web.config/app.config.
Added grouping elements for the configuration settings class.
Added Web API project and its test project.
Updated Web API controller.
Updated service controller and its test class.
Added mock service project.
Updated app.config/web.config structures.
Updated mock service class methods.
Added sample JSON response files.
Updated mock service methods.
Updated mock service methods to get response JSON files.
Added test methods for mock service.
Added test methods for mock service.
Updated line ending of each file.
Updated NuGet package libraries.
Updated test class for web api controller.
Added comment missing.
Updated service controller for each REST method.