Switch environment variable that run-travis-ci-tests.sh checks for to SAUCE_USERNAME
Switch environment variable that run-travis-ci-tests.sh checks for to SAUCE_USERNAME

shelar/SeLion,sebady/SeLion,vikram1711/SeLion,kevinx701/SeLion,sundaramrajendran/SeLion,sebady/SeLion,alizelzele/SeLion,mach6/SeLion,sundaramrajendran/SeLion,alizelzele/SeLion,mach6/SeLion,paulbrodner/SeLion,paulbrodner/SeLion,paulbrodner/SeLion,shelar/SeLion,sundaramrajendran/SeLion,shelar/SeLion,paulbrodner/SeLion,vikram1711/SeLion,mach6/SeLion,shelar/SeLion,kevinx701/SeLion,vikram1711/SeLion,paypal/SeLion,kevinx701/SeLion,sebady/SeLion,vikram1711/SeLion,alizelzele/SeLion,paypal/SeLion,alizelzele/SeLion,ILikeToNguyen/SeLion,sebady/SeLion,ILikeToNguyen/SeLion,ILikeToNguyen/SeLion,paypal/SeLion,ILikeToNguyen/SeLion,kevinx701/SeLion,sundaramrajendran/SeLion,mach6/SeLion,paypal/SeLion