tell travis to use ruby 2.2
tell travis to use ruby 2.2

OpenTwinCities/adopt-a-tree,OpenTwinCities/adopt-a-tree,eebbesen/adopt-a-tree,OpenTwinCities/adopt-a-tree,eebbesen/adopt-a-tree,eebbesen/adopt-a-tree,OpenTwinCities/adopt-a-tree