travis

env:
  global:
    secure: "MB74xpbqTGCCJm/Au8YcYFS+uhWHRVcHf5FVqTVcNFhhRzh9xLo5WMNhaEMksGjhghW9ADwZ1vZ07+F8DtdPUZsvaNWV7yFbXPjKeAlbAJhHcMtXwjHVPBstiXITHZbxERwqbdFia22gm5EZIoLXmpp5LuzzH2KZ0Xccdd8TqUM="
  - NOKOGIRI_USE_SYSTEM_LIBRARIES=true # speeds up installation of html-proofer