Manual Test for Issue #99

Manual test verify the fix for Issue #99 : touch events not working after v1.4.1.

  1. 1. initial drawing: grey square centred on black background
  2. 2. on hover: grey square with white outline centred on black background
  3. 3. on mousedown : white square centred on black background
  4. 4. on mouse move: white square moved to bottom corner of black background