inserted files of exercise 3, queue lib missing
	new file:   Exercise3/.cproject
	new file:   Exercise3/.gitignore
	new file:   Exercise3/.nedfolders
	new file:   Exercise3/.oppbuildspec
	new file:   Exercise3/.project
	new file:   Exercise3/simulations/omnetpp.ini
	new file:   Exercise3/simulations/package.ned
	new file:   Exercise3/simulations/run
	new file:   Exercise3/src/package.ned