walka z nullpointerem
Merge branch 'master' of https://github.com/PatrykGala/Modbus.git

Conflicts:
	Modbus/src/atrem/modbus/Domino.java
	Modbus/src/atrem/modbus/swing/InterFrame.java
	Modbus/src/atrem/modbus/swing/ModbusSwing.java
	Modbus/src/atrem/modbus/swing/ReadWriteDefinitionDialog.java