Use GitHub Actions instead of Travis CI

Merge pull request #12 from JuliaString/spj/update

Use GitHub CI instead of Travis CI

v1.0.0

Update scripts and Project.toml

Update version in Project.toml

v0.3.2

Update versions

Update data file

v0.3.1

Update HTML data file

Update scripts & Project.toml for Julia v1.1, drop Julia v0.x support

v0.3.0

Update versions & drop support for Julia v0.x

Cap Julia version to < v2

v0.2.6

Cap at Julia v2

Update REQUIRE & .travis.yml

v0.2.5

Update REQUIRE

Update for Pkg3 changes

v0.2.4

Update REQUIRE and use Pkg3 on v0.7

Add Appveyor testing, badges, new Pkg changes

v0.2.3

Update build scripts

Update badges

v0.2.2

Update README.md