Removed update() method in AbstractArmoryItem (cooldown controlled by TimeUtils)
Made lists generic (changed static type from ArrayList to List)
GameRenderer prints the city life
Added meeting agenda for groupmeeting 8
Merge branch 'Development' of https://github.com/jacgid/MeteorDefense into Development
Implemented score
Merge branch 'Development' of https://github.com/jacgid/MeteorDefense into Development
Prevented negativ life value in city
Clear continent data before saving if needed
Fixed bug, only one projectile is fired now
Implemented textures and changed some constants
Merge branch 'Development' of https://github.com/jacgid/MeteorDefense into Development

Conflicts:

	MeteorDefense/src/com/esnefedroetem/meteordefense/renderer/GameRenderer.java
Updated angle for projectile+draw correct rotation
Updated the view to show the correct aspect ratio
Armory drag and drop implemented
Return selected armoryItems
Added update() method to AbstractArmoryItem
Added class SlowMotionEffectArmoryItem
Added class ReversedGravityEffectArmoryItem
Added methods setAngle() and getSpeed() to MovableGameObject