Merge branch '1-add-minimal-empty-application' into 'master'

android/gradle.properties

android/gradle/wrapper/gradle-wrapper.properties

android/settings.gradle

assets/empty.png

assets/icons/button_back.png

assets/icons/button_start.png

assets/icons/difficulty_easy.png

assets/icons/difficulty_hard.png

assets/icons/difficulty_medium.png

assets/icons/game_win.png

assets/skins/default_tile_black.png

assets/skins/default_tile_white.png

fastlane/metadata/android/en-US/changelogs/1.txt

fastlane/metadata/android/en-US/changelogs/2.txt

fastlane/metadata/android/en-US/changelogs/3.txt

fastlane/metadata/android/en-US/changelogs/4.txt

fastlane/metadata/android/en-US/changelogs/5.txt

fastlane/metadata/android/en-US/changelogs/6.txt

fastlane/metadata/android/en-US/full_description.txt

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