Added pypy to the list of Python versions tested by Travis CI
Added pypy to the list of Python versions tested by Travis CI

mitsuhiko/jinja2,icio/jinja2,Perkville/jinja2,mitsuhiko/jinja2,anuruddhal/jinja2,pallets/jinja2,livepy/jinja2,wangdahoo/jinja2,Perkville/jinja2,pallets/jinja,justinfay/jinja2,justinfay/jinja2,pallets/jinja,anuruddhal/jinja2,icio/jinja2,ThiefMaster/jinja2,pgjones/jinja,livepy/jinja2,pgjones/jinja,pallets/jinja2,ThiefMaster/jinja2,wangdahoo/jinja2