[5] Review processes

[JaRutkowski]

Review processes like 'fetching cities'.

After #267, f.eg. 'fetching cities' is performed in the new thread. The simple solution was performed to increase performance.
elibrary-core/source/src/controller/utils/com/javafee/elibrary/core/process/ws/FetchCitiesWithElibraryRestApiWS.java

	@Override
	public void execute() {
		//initializeCitiesWithElibraryRestApi();
		//TODO Optimize
		Thread t = new Thread(this);
		t.start();
	}