Game Entities hinzugefügt

Die entities können game states hinzugefügt werden und werden dann
automatisch von diesen geupdated und gerendert.
Prototy für GameEntity, vondem dann alle anderen Entities abgeleitete werden.
Die AlteGameLogik gelöscht, wird noch neu gemacht
Klassendiagramm doku ...
Ordner neu organisiert
Merge branch 'master' of https://github.com/GameEngineering/TheGame
Neue GameEntities erstellt
GameEntity Klasse erweitert
GameHandler Dictionaries(Players, Items) hizugefügt
Added Player class, collisions should be working, the rest is dummy code.
Cleaned up GameEntity/-Handler and Main.cs
Bullet Constructor updated
Merge branch 'master' of https://github.com/GameEngineering/TheGame
Added NetworkHandler Cass to simulate the communication with Network(for now)
Added GameState Class with get&set
GameEntity Construktor updated (Id is now given by the NetworkHandler) -> also updated Constructor of Derieved Classes
GameEntity added Destroy Method (dummy Method -> empty)
Player.Shoot() updated
Bulle Class updated
Resantly  added classes havn't been added to the *.sln, they are now
Pre-merge
Merge branch 'master' into Network

Conflicts:
	projects/TheGame/GameHandler.cs
Added Mediator for mediation between Network and Game