By Olzhas Auyezov ALMATY (Reuters) – There is little doubt that Kassym-Jomart Tokayev will extend his rule over Kazakhstan by seven years in presidential elections on Sunday. What is less clear is how the former diplomat can reduce his resource-rich country’s dependence on Russia without alienating it. Tokayev – who opinion polls predict will comfortably win reelection at the weekend – has pushed back publicly against territorial claims made by Russian President Vladimir Putin in Ukraine, souring relations between the former Soviet republic and Moscow. Russia and Kazakhstan share the world’s l…