delay sensitivity value was started to be used in the sample_app4. However this value is forgotten to read from the application configuration file. SimSettings class is now updated in a way to consider the delay sensitivity value of the applications.
Important Notes:
* EdgeTask class name is updated as TaskProperty. You may need to modify your existing application's source code if you use EdgeTask class in your application.
The mobile processing units are simulated via CloudSim.
It is assumed that the mobile devices operate Hosts and VMs like a server.
Therefore, the classes located in the mobile_processing_unit package have a similar naming convention to the other Cloud and Edge components.
