url not found in angular are redirect to the server.
Angular's  replaces 404 response to its request, with a 200 and a 'not Found Page'.
Improves 404 Nor Found Page.
Adds go back to previous page link.
Merge branch 'DEV' into routeUndefineAngularUrlToServer

Conflicts:
	public/js/routingNavigation.js
Merge pull request #31 from mbmihura/routeUndefineAngularUrlToServer

Routes undefine angular's url to the server, add 404-Not Found Page