refactor params in setStone route
impl setStone
add metadata
play writes tests for you?
Merge branch 'master' of github.com:michaelknoch/de.htwg.wt.go

* 'master' of github.com:michaelknoch/de.htwg.wt.go:
  excluded negative locations
  gamefield init
  log4f properties file
  remoed logfiles

Conflicts:
	.gitignore
	app/controllers/Application.java
	conf/routes