5.B) Authorize - Execution of an Alternate Proffer Compliance Agreement with RCKF Bull Run LLC for Blackburn Rezoning #PLN2014-00040 for RCKF to Contribute Funding to the Department of Parks and Recreation for the Construction of Proffer Improvements at Ellis L. Barron Park and Accept, Budget, and Appropriate the $1,554,685 Contribution to the Ellis L. Barron Park Improvements Project - Gainesville Magisterial District - Seth Hendler-Voss, Parks and Recreation - Health, Wellbeing, and Environmental Sustainability