Merge branch 'signals-api' of github.com:sanic-org/sanic into signals…

…-api

README.rst

@@ -118,7 +118,7 @@ Hello World Example
     from sanic import Sanic
     from sanic.response import json
 
-    app = Sanic()
+    app = Sanic("My Hello, world app")
 
     @app.route('/')
     async def test(request):