Created new branch
EG is done. Also slightly increased speed of laser
Successfully removed Projectile class and all references thereto, replaced functionality with built-in SKSpriteNode dictionary
Started setting up LevelSelectViewController
Got right number of level buttons, got them to highlight correctly, added StartLevel button view that can be expanded later, and got delegates working between the start level button view and the StartLevelViewController
Fixed typo accidentally added right before last commit
LevelSelectViewController actually presents GameViewController
Merge pull request #8 from zsweedyk/ProjectileRefactoring

Successfully removed Projectile class and all references thereto, replac...
Merge remote-tracking branch 'origin/Beta' into Beta
Manual merged THANKS A LOT GIT
Put all images, sounds into Resources
Spaceship is added
fixed following issues: segfault when game over fixed, no longer generates 1/1 as a fraction
added features: asteroids remaining is shown during gameplay
scoring done
back button in progress
Edited LevelButtonView to default highlight level 1, reflecting the default selected level. Also added NSTimer invalidation to the createGameOverScene. Generalized GameOverScene creation so that GameScene never creates GameOverScene
Merge remote-tracking branch 'origin/Beta' into Beta
Declared backButtonPressed in GameViewController to avoid compiler warning
Asteroids now play an explosion animation after they are shot!
Cleaned, changed appearance, duration and zlevel of labels to be readable over explosion