disable Julia on travis CI as Julia install is no longer working (#455)
disable Julia on travis CI as Julia install is no longer working (#455)


FFIG/ffig,FFIG/ffig,jbcoe/C_API_generation,jbcoe/C_API_generation,jbcoe/C_API_generation,FFIG/ffig,FFIG/ffig,FFIG/ffig,FFIG/ffig,jbcoe/C_API_generation,FFIG/ffig,FFIG/ffig