Create CircularArrayList class to implement a container like ring buffer
Create ModuleSemaphore class to store and manage module datas for cpu controlling
Create ThreadSemaphore interface
Extended ModuleManager class with ThreadSemaphore
Extended ModuleWrapper class with ThreadSemaphore
Extended Module interface with ThreadSemaphore
Added new thread to monitor module datas and manage semaphores
Extended ModulExample with ThreadSemaphore and other methods
Merge branch 'master' of https://github.com/wpatrik14/ICTDroidLab

Conflicts:
	core/src/hu/edudroid/ict/CoreService.java
	core/src/hu/edudroid/module/ModuleManager.java
	core/src/hu/edudroid/module/ModuleWrapper.java