.class
added enum for zoom options

enum with a switch statement to decide what the zoom will be
Changing where objects are initialized
zoom choice updated with enum / cPanel access to thread

when you pick a zoom the choice is sent to CellsAndGrid object and then
that will update the grid/cells.
inner thread class removed

The inner class was moved to its own class
Change to click event

The click finds the correct coordinates based on the enum zoom choice
by calling cellAndGridSquare.getZoom().  Then the cells are updated.
Little changes to GridSquare

When a square is painted red it will have a white border.  Also, some
getters and setters were removed because they served no purpose.
Updater gets its own class

This is the thread that updates the grid based on the selected speed.