3. The device of claim 2 and wherein said version resolver comprises: a difference tree browser to display said difference tree hierarchy for manual version resolving; a merged page displayer to present a display of at least one current state of a merged page; a component attribute browser to display the values of a component attribute, including displaying the two values for components for which there is a comparison node; a resolver selector and coordinator to select and coordinate between said difference tree browser, said merged page displayer and said component attribute browser; and a merged component tree generator to provide combined results from at least one of said difference tree browser, said merged page displayer and said component attribute browser and to generate a new resolved difference tree.
3. The device of claim 2 and wherein said version resolver comprises: a difference tree browser to display said difference tree hierarchy for manual version resolving; a merged page displayer to present a display of at least one current state of a merged page; a component attribute browser to display the values of a component attribute, including displaying the two values for components for which there is a comparison node; a resolver selector and coordinator to select and coordinate between said difference tree browser, said merged page displayer and said component attribute browser; and a merged component tree generator to provide combined results from at least one of said difference tree browser, said merged page displayer and said component attribute browser and to generate a new resolved difference tree. 8. The device of claim 3 and wherein said display of at least one current state of said merged page is based on a weighted average of said states.