Added port of the mosaic activity
Merge branch 'mosaic'
Published android beta 0.8
core, replaced QtQuick control 1.2 by 1.1

The 1.2 import is only available in Qt 5.3 beta. This is not a
good idea to force developers on it yet.
core, replaced QtQuick Window 2.2 by 2.0

The 2.2 import is only available in Qt 5.3 beta. This is not a
good idea to force developers on it yet.
Merge branch 'master' of https://github.com/bdoin/GCompris-qt
algebra, minor removed extra focus=true
click_on_letter_up, minor removed an extra import
algebra activities, renamed qml in CamelCase
memory-math-mult, minor typo
advanced_colors, renamed qml in CamelCase
click_on_letter, renamed qml in CamelCase
erase, renamed qml in CamelCase
leftright, minor change in comments
menus, removed ported activities
Change ballcatch keys to arrows because on Windows OSes, you do not have two events if you press the two shift keys at same time
money, initial port
First delivery for penalty activity.
Known bug:
-The sounds don't work on my installation (pb of multiplex)
Use of states
Same time limit than in the gtk version.
Some corrections