implement ViewListener

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
Merge branch 'master' of git://github.com/rbelouin/Morpion

* 'master' of git://github.com/rbelouin/Morpion:
  Game finish algorithm.

Conflicts:
	src/main/java/com/imie/morpion/model/Game.java
fixes for notify

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
prepare network integration

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
play with network

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
implement join

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
BoardListener.