Created class ArrayAnimator hold all code from ImageAnimator that is general for 2D image or 1D plot animation.  Created new ImageAnimator class as a subclass of ArrayAnimator to hold only code specific to 2D image animation.
Created class ArrayAnimator hold all code from ImageAnimator that is general for 2D image or 1D plot animation.  Created new ImageAnimator class as a subclass of ArrayAnimator to hold only code specific to 2D image animation.

dpshelio/sunpy,dpshelio/sunpy,dpshelio/sunpy