Add --use-mirrors to the TravisCI install command, as is recommended.
Add --use-mirrors to the TravisCI install command, as is recommended.

juga0/ooni-probe,Karthikeyan-kkk/ooni-probe,0xPoly/ooni-probe,juga0/ooni-probe,juga0/ooni-probe,kdmurray91/ooni-probe,Karthikeyan-kkk/ooni-probe,0xPoly/ooni-probe,lordappsec/ooni-probe,0xPoly/ooni-probe,kdmurray91/ooni-probe,lordappsec/ooni-probe,Karthikeyan-kkk/ooni-probe,Karthikeyan-kkk/ooni-probe,lordappsec/ooni-probe,juga0/ooni-probe,lordappsec/ooni-probe,kdmurray91/ooni-probe,0xPoly/ooni-probe,kdmurray91/ooni-probe