Java implementation of a router for cs456

Instructions:
1. Compile code by calling:
	make
2. Run nse by calling:
	./nse-linux386 <router host> <nse port>
3. Run router (five instances) by calling:
	./router.sh <router id> <nse host> <nse port> <router port>

where router id = 1…5, in this order
	
Dev Environment: Mac OS Sierra v. 10.12
Java Version 1.8.0_92
Compiler version: GNU-make 3.81