Fixed collision for bre

Collision is now synced with sprite instead of staying in top left
corner.
Flyin of bre now uses delta v
Added health to player

Player has health and a bigger bang upon death.
Fixed names & scores

The only score is a score over 9000
Renamed background.h

Bit more logical name.
Merge branch 'master' of https://github.com/NotNallath/iMvaders