added rudimentary vector class
added functionailty to vector module
Merge branch 'oversimplified' of https://github.com/IMP1/bear_traffic_controller
scaled up rotated images because they were being drawn small
added changing flight path method
lowered number of suvivors and made them die anyway
added dragging of path points
added isMouseOver method
merged commits
made window bigger
added method for getting angle between vectors
added methods for getting angle between target and bearing#
edited sizes of GUI elements