Log new highscore remotely and check if persistence works
Ignore keys
Update actions with more appropriate icons
Add restart action
Migrate action handling over to Fragment
Add action to do a random move (because you are too lazy to swipe)
Fix restart to really reset the system completely
Make sure the movement hint is silenced after user proved he/she understood it
Bump version to 0.8 for release
Merge branch 'release/0.8' into develop