Are Celtic Champions League ready under Martin O'Neill?

How ready are Celtic for the season ahead? Should they confirm their qualification for the Champions League, do they have the strength in depth required to compete on all fronts under Martin O’Neill? Where do they need to add to the squad before the window shuts? Is Colby Donovan the long-term answer to their full-back woes with Alistair Johnston’s lengthy layoff confirmed? And how should they…