Town of Wilton seal.WILTON — Plans for the Wilton Blueberry Festival shifted Tuesday when the Board of Selectpersons approved a two-day extension of the area in which a restaurant can serve alcohol. While the board approved the extension for The Square with little discussion, the topic generated a lively, sometimes angry discussion during and after the meeting. The dispute involved James Butler, co-owner of The Square, and Gary Judkins, the town…