added files that will contain code for switch
added some code to switch
created new files for packetqueue container
adding functionality to fwtable and switch
modified makefile for clean, finished fwtable container
merge master into switch

Merge branch 'master' of https://github.com/littlebakemono/virtualnetwork into switch

Conflicts:
	host.o
	main.o
	makefile
	net367
cleaned up some lines
starting implementation of packet queue
modified fwtable to return null pointer when search returns nothing
adding functionality to pkqueue, added line to makefile for pkqueue
basic queue functionality works
implemented front function
finished implementation of packetqueue
added pkqueue line to makefile, added header inclusion to switch
changed data structer of switch
removed unnecessary lines
added test to see if enqueue works on an empty packetqueue
added link container for switch
added comment to top of int main for containers
added some fixes to functions