Adding E2E test project

.../Microsoft.AspNetCore.SignalR.Test.Server/EchoEndPoint.cs

...est.Server/Microsoft.AspNetCore.SignalR.Test.Server.xproj

test/Microsoft.AspNetCore.SignalR.Test.Server/Program.cs

test/Microsoft.AspNetCore.SignalR.Test.Server/Startup.cs

test/Microsoft.AspNetCore.SignalR.Test.Server/project.json

test/Microsoft.AspNetCore.SignalR.Test.Server/web.config

...pNetCore.SignalR.Test.Server/wwwroot/connectionTests.html

...pNetCore.SignalR.Test.Server/wwwroot/js/webSocketTests.js

...ore.SignalR.Test.Server/wwwroot/lib/jasmine-2.5.2/boot.js

....SignalR.Test.Server/wwwroot/lib/jasmine-2.5.2/console.js

...alR.Test.Server/wwwroot/lib/jasmine-2.5.2/jasmine-html.js

...SignalR.Test.Server/wwwroot/lib/jasmine-2.5.2/jasmine.css

....SignalR.Test.Server/wwwroot/lib/jasmine-2.5.2/jasmine.js

...Test.Server/wwwroot/lib/jasmine-2.5.2/jasmine_favicon.png