Merge branch '1-add-minimal-game-framework' into 'master'

android/gradle.properties

android/gradle/wrapper/gradle-wrapper.properties

android/settings.gradle

assets/files/words-5-fr-long.txt

assets/files/words-5-fr.txt

assets/icons/button_back.png

assets/icons/button_help.png

assets/icons/button_start.png

assets/icons/game_win.png

assets/icons/lang_fr.png

assets/icons/length_5.png

assets/icons/skin_default.png

assets/skins/default_empty.png

assets/skins/default_good.png

assets/skins/default_misplaced.png

fastlane/metadata/android/en-US/images/featureGraphic.png

fastlane/metadata/android/en-US/images/icon.png

icons/build_application_icons.sh

icons/build_game_icons.sh

icons/button_back.svg