Code review: 194300043:  Changes for Travis build.
Code review: 194300043:  Changes for Travis build.

Onager/plaso,kiddinn/plaso,Onager/plaso,rgayon/plaso,rgayon/plaso,kiddinn/plaso,joachimmetz/plaso,joachimmetz/plaso,log2timeline/plaso,kiddinn/plaso,rgayon/plaso,log2timeline/plaso