Reset updated - Head

Now it doesn't make new Stones. It just sets the old ones back
Revert "Reset updated - Head"

This reverts commit 19baece83b9aa7a1c21d5ef42fc3389f0e9c54dd.
Revert "Revert "Reset updated - Head""

This reverts commit a8f8ffd2d3c070f579406442338eefe10e3a2e10.
wip
LogIn GUI

Added a class that shows us a log in screen
Small update
stones are painted after text
Small LogIn Update
Implemented a beautiful LogInScreen

Class TestLogIn makes shit look pretty
LogIn Screen is done, resizing & sending left

The first LogIn Screen is done. You can register and type your username
plus password. The only thing left are resizing the window (since it is
huge!) and implementing the exact methods for telling the player if he
did a mistake
Small update

Implemented some test methods^^
Merge branch 'master' into dev-m3

* master:
  Small update
  LogIn Screen is done, resizing & sending left
  Implemented a beautiful LogInScreen
  Small LogIn Update
  Small update stones are painted after text
  LogIn GUI
  wip
  Revert "Revert "Reset updated - Head""
  Revert "Reset updated - Head"
  Reset updated - Head

Conflicts:
	src/de/uni_jena/min/in0043/nine_mens_morris/gui/Head.java
	src/de/uni_jena/min/in0043/nine_mens_morris/net/Client.java