Flems in docs (#2348) [skip ci]

* Initial addition of flems - fixes #526

* Fix leftover ```js code blocks

* Add DOCTYPE

* Fix edge & IE11

* Don't show console

* Change orientation on mobile

* Use mithril@next for playground link

* Improve loading and structure

* Fix header alignment in IE

* Don't rotate logo

* Fix conflicts

* Allow `js` tags

* Fix code block query

* Fix Routing section and flems

* Fix firefox

* Improve flems styling

* Improve copy

* Fix data -> body in m.request sample

* Add flems in docs usage description

docs/testing.md

@@ -77,7 +77,6 @@ var MyComponent = require("../my-component.js")
 o.spec("MyComponent", function() {
 	o("things are working", function() {
 		var out = mq(MyComponent, {text: "What a wonderful day to be alive!"})
-
 		out.should.contain("day")
 	})
 })