Added images to intro help dialog
Making dialogs close by touching/clicking any part of the screen
Only add the glyph's value to the total once.
Allowing glyphs to be removed from bucket
Subtracting value from total when glyph is removed
Remove numbers from addition column upon removal from bucket
Setting fixed height on activity container.

If the container gets taller, the draggable items don't move accordingly
since they're positioned absolutely. Need a fixed height to stop that.
Only allow one glyph in the bucket
Added an Enter button