Revert "Removing ruby versions that are not supported anymore from our travis… (#1225)" (#1231)
Revert "Removing ruby versions that are not supported anymore from our travis… (#1225)" (#1231)

This reverts commit ffcb5552415a999c32425fbaa77e69aeb9021215.
tiramizoo/geocoder,alexreisner/geocoder,rdlugosz/geocoder,Devetzis/geocoder,ankane/geocoder,aceunreal/geocoder