Changed alien explosion colour, and enabled it.
turned off alien explosion
turned alien explosion on
Updated Bomb
Changed Graphic and speed
Merge branch 'master' of https://github.com/Daniel300/SpaceInvadersEpic
Updated explosion effects to be more effective
Merge branch 'master' into Title-screen

Conflicts:
	SpaceInvadersEPIC/bin/spaceInvaders/AlienEntity.class
	SpaceInvadersEPIC/bin/spaceInvaders/Game.class
	SpaceInvadersEPIC/src/spaceInvaders/AlienEntity.java
	SpaceInvadersEPIC/src/spaceInvaders/Game.java
	SpaceInvadersEPIC/src/sprites/Thumbs.db