Store specificity based on the cloned item instead of the original
Avoid double clone of menu item now that helper does it
Use ‘atom-pane’ custom tag name for PaneElement
Use ‘atom-pane-axis’ custom tag name for PaneAxisElement
Use ‘atom-pane-container’ custom tag name for PaneContainerElement
Use ‘atom-workspace’ custom tag name for WorkspaceElement
Use ‘atom-workspace-axis’ custom tag name instead of ‘div’
Use ‘atom-text-editor’ custom tag name for TextEditorElement
Make atom-workspace tag have ‘display: block’ style