update jar for heruko
change call to new implementation
add figure of all players in overview
add pictures for overview
add favicon
implement function to read json and start new game
insert welcome site and adjust css and js
refactor css
adjust  html for new css
insert new route for start
tests with route
Merge remote-tracking branch 'origin/master'

Conflicts:
	app/assets/js/main.js
	app/controllers/Application.java
	app/views/main.scala.html
tests with route