Merge pull request #8 from ajaysreenivasan/master

7th
added printer calls throughout,
reverted namesever round robin strategy, other one actually won't make sense given how they are telling us to print in nameserver.
needs debugging to get rid of weird segfaults still.
fixed print messages associated with student, vendingmachine, and courier
also added printDebug which prints the index that calls print
Further Debugging
Currently running forever it seems.
Bleafjslkj