to fix error when linuxbrew call pandoc. and shorten travis.yml
to fix error when linuxbrew call pandoc. and shorten travis.yml

snmsts/roswell,snmsts/roswell,roswell/roswell,roswell/roswell,snmsts/roswell,guicho271828/roswell,guicho271828/roswell,roswell/roswell,roswell/roswell,snmsts/roswell,guicho271828/roswell,guicho271828/roswell