Scrolling the game map with the mouse now works off of the change
in position of the mouse, rather than a constant value.

Scrolling the map with the keyboard now scrolls the map in the same
direction as the arrow key pressed.
Reverted keyboard code.
Merge pull request #44 from Seneca-CDOT/issue43

Scrolling the game map with the mouse now works off of the change
Merge branch 'master' of https://github.com/Seneca-CDOT/thecollectors into issue28
.__.
Connections update on line intersections working