cleanup, remove overrides of dock widget topLevelChanged which worked…#51

RussBerg merged 1 commit intomasterCanadian-Light-Source/pyStxm:masterfrom

48-data-viewer-panel-is-undocked-and-the-focus-is-changed-off-of-the-widget-it-autmatically-redocksCanadian-Light-Source/pyStxm:48-data-viewer-panel-is-undocked-and-the-focus-is-changed-off-of-the-widget-it-autmatically-redocksCopy head branch name to clipboard