Depending on your point of view, Twitter either just denied a rumor about the future of the service, or it blinked in the face of universally negative reaction. Either way, Twitter CEO Jack Dorsey has this afternoon taken to his personal account to directly address the #RIPTwitter controversy that exploded overnight in response to reports that, beginning next week, the social media powerhouse’s reverse chronological newsfeed would be replaced by a algorithmic feed similar…