Methodenaufruf nun asynchron

Signed-off-by: Nepetalactone <tobias.meusburger@students.fhv.at>
Merge branch 'master' of https://github.com/Nepetalactone/BigDataExcercises

Conflicts:
	BigDataUE3AWSController/build/built-jar.properties
	BigDataUE3OpenStackLocalClient/build/built-jar.properties