Add 2.1 to travis build matrix.
Add 2.1 to travis build matrix.
Shopify/vcr,ihassin/vcr,nishanbose/vcr,irfanah/vcr,nishanbose/vcr,mcfiredrill/vcr,Shopify/vcr,chriswoodrich/vcr,cemo/vcr,intfrr/vcr,asymmetric/vcr,ZmagoD/vcr,ihassin/vcr,chriswoodrich/vcr,intfrr/vcr,irfanah/vcr,asymmetric/vcr,cemo/vcr,ZmagoD/vcr,davidbebb/vcr,davidbebb/vcr,mcfiredrill/vcr