Revert "Remove the message argument to the onWizardFinished method. Not sure of"

This reverts commit 471fb438a752160fff1959bbe880a6ff0d70df4c.
Revert "Add onWizardPanelClosing method in addition to onWizardFinshed method."

This reverts commit bc8cb123877f169cc5d656a9ff5830873027296e.
Revert "Display custom Javascript Success Message at the end of the wizard, if"

This reverts commit c1d38c646ea092d0d8e5cd7379ede243b7de81cf.