Improved Jelly Bean/Candy Dispenser

I built Corben33s Jelly Bean Dispensor but wanted to make a few improvements.

Changes:
· Made a catching tray so the candy does not shoot across my desk.
· Tweaked the shelves extending them to give more movement
· Cut the bottom leading edge of the shelves to give a touch more space.
· Added guiding shelves to guide the candy to the shaft hole.
· Elongated the shaft and removed the cap so a knob can be added on each side for left and right handed people.
· Enlarged the hole on th