new activities:

• calendar
• find the date
• family
• family find relative
• memory case association
• memory case association with Tux
• submarine
• electricity

misc:

• Add Tutorial item to be able to have activity introductions with both images and texts (some activities can be updated to use it)
• Add easy mode in letter in word with less words displayed
• Add license page

todo:

• finish family new graphics - done
• finish submarine new graphics - done
• finish calendar/find_the_date new graphics -done
• finish digital_electricity new graphics -done
• fix submarine controls and tuto layout on tablet screens -done
• style chess coordinates -done
• add changelog in the code
• finding a more visible solution to tell the user he can scroll on the menu (the fade not being visible with software renderer). added GCScrollButtons for NoOpenGL
• No light in Tux's house in renewable_energy (https://github.com/gcompris/GCompris-qt/issues/212)
• https://github.com/gcompris/GCompris-qt/issues/213: see what can be added all fixed (the two left about farm animals and maze are not really bugs)
• check if minimalizing the code before release is useful ("find -type f -name \*qml -exec qmlmin {} ;" minus ActivityInfo.qml), seems to win 300ko for the apk, worth it?
• do a first beta to look for bugs, then string freeze, followed by news for release
• remove penalty voices because we need to click on the goal instead of the ball. (https://commits.kde.org/gcompris-data/d2d9b28c24b)