Updating changelog before release of x.1.5
Updating changelog before release of x.1.5

ayrton04/robot_localization,punithm/robot_localization,braincorp/robot_localization,punithm/robot_localization,adnanademovic/robot_localization,braincorp/robot_localization,tscho1l/robot_localization,ayrton04/robot_localization,tscho1l/robot_localization,adnanademovic/robot_localization