Hot Fix for Memory-Management.
Merge branch 'master' into Hot-Fix-Memory-Management

Conflicts:
	aura-core/src/main/java/de/tuberlin/aura/core/iosystem/KryoEventSerializer.java
	aura-core/src/main/java/de/tuberlin/aura/core/memory/MemoryManager.java
	aura-core/src/main/java/de/tuberlin/aura/core/task/common/TaskExecutionManager.java
Merge pull request #4 from TobiasHerb/Hot-Fix-Memory-Management

Hot fix memory management