Restructure of CLI and application state (#2295)

* Initial work on restructure of application state

* Updated MOTD with more flexible input and add basic version

* Remove unnecessary type ignores

* Add wrapping and smarter output per process type

* Add support for ASGI MOTD

* Add Windows color support ernable

* Refactor __main__ into submodule

* Renest arguments

* Passing unit tests

* Passing unit tests

* Typing

* Fix num worker test

* Add context to assert failure

* Add some type annotations

* Some linting

* Line aware searching in test

* Test abstractions

* Fix some flappy tests

* Bump up timeout on CLI tests

* Change test for no access logs on gunicornworker

* Add some basic test converage

* Some new tests, and disallow workers and fast on app.run

.coveragerc

@@ -3,6 +3,9 @@ branch = True
 source = sanic
 omit =
     site-packages
+    sanic/application/logo.py
+    sanic/application/motd.py
+    sanic/cli
     sanic/__main__.py
     sanic/reloader_helpers.py
     sanic/simple.py