For extension authors: extension API changes.

• Added Outline.insertRows, Outline.moveRows, Outline.removeRows
• Added Outline.query, Outline.scheduleQuery, Outline.streamQuery
• Added Outline.importRows, Outline.exportRows
• Fixed console.log to show in Safari inspector and Console.app
• Fixed Outline Path Explorer to always show frontmost outline view state
• Fixed live reload of @Startup extension