3.0 Cake Bake New Look #2 - App Skeleton Files

App Skeleton files for https://github.com/cakephp/cakephp/pull/4752
That's nice but there is no reason to annoy end users with developer standards. A wellformed HTML document ends with ```<html>``` and not with ```<html>/n```
As it does not make any difference in practise I will add the new lines to any file missing, also to the html file despite that it is ugly.