Make travis build status clickable.
Make travis build status clickable.

[ci skip]

glensc/fpm-cookery,cas-ei/fpm-cookery,cas-ei/fpm-cookery,ryansch/fpm-cookery,kisoku/fpm-cookery,kisoku/fpm-cookery,glensc/fpm-cookery,devkid/fpm-cookery,ryansch/fpm-cookery,devkid/fpm-cookery