travis check that doc is built correctly
travis check that doc is built correctly

ael-code/libreant,leophys/libreant,ael-code/libreant,insomnia-lab/libreant,leophys/libreant,insomnia-lab/libreant,ael-code/libreant,ael-code/libreant,leophys/libreant,insomnia-lab/libreant,insomnia-lab/libreant,leophys/libreant