travis: specify coverage file
travis: specify coverage file

jakevdp/Mmani,mmp2/megaman,jakevdp/Mmani,jakevdp/megaman,jakevdp/megaman,jakevdp/megaman,jakevdp/Mmani,jmcq89/megaman,mmp2/megaman,jmcq89/megaman,jakevdp/Mmani,mmp2/megaman,jakevdp/megaman,jmcq89/megaman,jmcq89/megaman,mmp2/megaman