Dead ships can no longer collide
Fixed drawing issue
bugfix
Ships should now be properly put back into the game
tag is now correctly positioned
Nametag should now be centralized correctly
explosion spritesheet
Modify explosions

* Fighter now explodes larger
* Explosion graphics are now scaled to the size of the explosion
* 1 out of four random explosion sounds will now be played
* Add explosion sounds
* A player can now fire with "space"
explosion is now a power of 2
Merge branch 'fighting4' of https://github.com/bjorfoss/XNAX1 into fighting4
Merge branch 'fighting4' of https://github.com/bjorfoss/XNAX1 into fighting4
Fix explosions to deal damage to several units
explosion is now animated
Merge branch 'fighting4' of https://github.com/bjorfoss/XNAX1 into fighting4
animation is now 12 frames
Add functionality to mute music by pressing m
Merge fighting4
Merge branch 'master' of ssh://github.com/bjorfoss/XNAX1