Merge branch 'dev'

backend/api/functions.js

backend/api/rounds.js

backend/api/tournament.js

frontend/android/assets/FruitSlicerBackground.png

frontend/android/assets/FruitSlicerPhotoEdit.png

frontend/android/assets/FruitTexture1.png

frontend/android/assets/FruitTexture10.png

frontend/android/assets/FruitTexture11.png

frontend/android/assets/FruitTexture12.png

frontend/android/assets/FruitTexture13.png

frontend/android/assets/FruitTexture14.png

frontend/android/assets/FruitTexture15.png

frontend/android/assets/FruitTexture16.png

frontend/android/assets/FruitTexture17.png

frontend/android/assets/FruitTexture18.png

frontend/android/assets/FruitTexture19.png

frontend/android/assets/FruitTexture2.png

frontend/android/assets/FruitTexture20.png

frontend/android/assets/FruitTexture3.png

frontend/android/assets/FruitTexture4.png