• Wandmalfarbe's avatar
    Fix travis build. · d5155ade
    Wandmalfarbe authored
    - Specify optional os as `linux`.
    - Use the latest available distribution for R which is Ubuntu Xenial.
    - Use the latest pandoc version `2.9.1`.
    - Install the missing package `fontawesome5` which is needed for `awesomebox`.
    d5155ade