removed python 2.6 check from travis.yml
removed python 2.6 check from travis.yml

dakshgautam/squealy,hemny-singh/squealy,dakshgautam/squealy,hashedin/squealy,devashishsharma2302/squealy,swapnil95/squealy,hashedin/squealy,devashishsharma2302/squealy,swapnil95/squealy,hemny-singh/squealy,devashishsharma2302/squealy,dakshgautam/squealy,hemny-singh/squealy,swapnil95/squealy,hashedin/squealy