TORONTO, 2015-8-28— /EPR Retail News/ — After tens of thousands of customer comments, Tweets and barista requests, one thing is clear: Canadian Starbucks customers are thirsty for additional options for dairy alternatives.  Beginning Tuesday, September 8, Starbucks customers in Canada can customize their beverages with Starbucks® Single Origin Sumatra Coconut Milk in company-operated and licensed…