Merge branch 'release/a3' into develop
duplicated a3
moved random color and size generation to GeometricObject
change random color of GeometricObject on mouse move
drag object to change size
paint eyes in new Smiley object
change smiley mood on click
addded extended image smiley
Merge branch 'feature/a4' into develop
added README for a4
Update README.md
Merge branch 'release/a4'