Shuttersong Inc., the Wellesley-based maker of a photo and music mobile app of the same name, has raised $771,785, bringing total funding to date for the company to about $2.9 million. The latest round of funding is part of a $1.5 million financing round, which Shuttersong founder and CEO William Agush said he hopes to close by the end of January 2015. The lead investor in the latest round include Gil Anderson, formerly a partner at management consulting company Accenture. Fifteen undisclosed investors…