update travis matrix to add ruby 2.2.0 and active support version 4.2.0
update travis matrix to add ruby 2.2.0 and active support version 4.2.0

chingor13/json_api_client,dplummer/json_api_client,flex-commerce/json_api_client,SouthernMade/json_api_client,Hoodline/json_api_client,adjust/json_api_client,jondruse/json_api_client,ptashman/json_api_client_patched,bayarja/json_api_client,shiftcommerce/json_api_client,datapipe/json_api_client