MOSCOW/ABU DHABI (Reuters) - Key OPEC Gulf member the United Arab Emirates and the group's ally Russia said on Wednesday they were still committed to meeting in March to decide on future production policies.Citing an unnamed source from The Organization of the Petroleum Exporting Countries, Russian news agency Tass reported on Wednesday that OPEC and its allies -- known as OPEC+ -- have started consultations on extending the current output-cutting deal until June without holding a meeting in..