created class Hull
added consructors in Hull
added consructors in Shield
implemented methodes in Hull
implemented methodes in Shield
implemented use of Hull and Shield class in Spaceship
implementes methods to in Hull to work with Spaceship
created interface ITimer
Timer implements ITimer
corrected Timers empty constructor
added mthod setTimerLength in ITimer
changed ArmsComponent to use ITimer insted of Timer
changed Gameworld to use ITimer insted of Timer
Merge branch 'master' of https://github.com/Kuxe/oopprojekt