April 20th would have been Robert Wilmers' 84th birthday. To honor the life of the late chairman and CEO of M&T Bank – who died Dec. 16 at home in New York City – 84 bank employees are sprucing up one of Buffalo's East Side neighborhoods. This afternoon the group will spread out across the Buffalo Promise Neighborhood to perform volunteer activities such as cleaning, landscaping, light construction, furniture moving and organizing at sites throughout the neighborhood and along Bailey Avenue.…