Revert "React.ComponentWillUpdate() method is called with the wrong 'this' argument."
Revert "React.ComponentWillUpdate() method is called with the wrong 'this' argument."

This reverts commit 9d2c96b5a51eca58888d3859da39de22a00b5d71.

jcford73/golden-layout,deepstreamIO/golden-layout,golden-layout/golden-layout,LarissaSmith/golden-layout,LarissaSmith/golden-layout,golden-layout/golden-layout,deepstreamIO/golden-layout,deepstreamIO/golden-layout,Liplattaa/liplattaa-golden-layout,golden-layout/golden-layout,Liplattaa/liplattaa-golden-layout,jcford73/golden-layout