LONDON/MUMBAI/NEW YORK (Reuters) - Gold loves a crisis, the old adage goes. And with prices up 13% this year to their highest since 2012 and many predicting further gains as investors search for safe places to put their money, it looks true for the coronavirus crisis so far. But, as individuals and countries alike see a drop in income, traditional gold consumers in India and China are buying less and central banks are cutting purchases. Without them, gold's run higher may be hard to sustain.For..