When Rachel and Bill Bonini bought the Continental Inn from Penny Hammond last fall, they had no idea they were headed into one of the longest and gloomiest winters Tomales had seen in decades. Tourism slowed from Muir Beach to Dillon Beach and everywhere in between. Now, as travelers far and wide begin their summerly West Marin pilgrimage, the Tomales Hotel is having its grand reopening on June 9, celebrating its new ownership and recent…