Google Code-in

There is an image bonus which is initiated when we fail or pass the tasks given in the activity (https://quickgit.kde.org/?p=gcompris.git&a=tree&h=4c4ad4d73e84046939c4807b84807651499c10a1&hb=3edba37495a1f858fb5d4a46e7b9fae751a0db3c&f=src%2Fcore%2Fresource%2Fbonus). There are only few bonus characters. So, this tasks is to include more characters for lose and win bonus and update some activities to use the new images.

For further queries, join #gcompris on freenode.