Refactored Helper.createServers, splitting out creation logic
Helper.doCreateServers
Refactored Helper.createCabinets, splitting out creation logic
Helper.doBuildCabinets
Refactored TestDriver.fillCabinets, splitting out creation logic to
Helper.doPopulateCabinets
Killed ExternalStorage class, it's not needed at this time
Added cabinet and power information to swing window, expanded window
size as needed
Added ability to add servers to a cabinet/power cct
To run, execute the util.TestDriver class
Updated logic for saving/deleting/new in swing to add/remove power and
cabinets as needed.
Merge remote-tracking branch 'origin/day7' into day7

Conflicts:
	src/ca/bcit/comp2613/a00251471/util/Helper.java
	src/ca/bcit/comp2613/servertracker/model/ServerTrackerCabinetSwingApplication.java
	src/changes.html