Fix .travis.yml typo
Fix .travis.yml typo

cevaris/commons,nkhuyu/commons,cevaris/commons,jsirois/commons,abel-von/commons,VaybhavSharma/commons,Yasumoto/commons,atollena/commons,abel-von/commons,ericzundel/commons,Yasumoto/commons,cevaris/commons,brutkin/commons,jsirois/commons,ericzundel/commons,brutkin/commons,VaybhavSharma/commons,brutkin/commons,Yasumoto/commons,Yasumoto/commons,WCCCEDU/twitter-commons,pombredanne/commons,pombredanne/commons,atollena/commons,WCCCEDU/twitter-commons,jsirois/commons,abel-von/commons,jsirois/commons,nkhuyu/commons,ericzundel/commons,cevaris/commons,brutkin/commons,nkhuyu/commons,abel-von/commons,VaybhavSharma/commons,WCCCEDU/twitter-commons,nkhuyu/commons,nkhuyu/commons,jsirois/commons,ericzundel/commons,atollena/commons,VaybhavSharma/commons,ericzundel/commons,brutkin/commons,pombredanne/commons,atollena/commons,VaybhavSharma/commons,pombredanne/commons,pombredanne/commons,WCCCEDU/twitter-commons,WCCCEDU/twitter-commons,abel-von/commons,Yasumoto/commons,cevaris/commons,atollena/commons