* Removing support for dep as we should now only be building with go1.13+ and mod.
* Ignoring go.sum being created. Use the database instead.
* Upgrading dependencies to their latest versions.
* Replacing thrift dependency temporarily with a patched thrift dependency while we wait for 0.14.0 to be released.
* Change location of gorealis to point to auora-scheduler repository.
* Update .gitignore to contain DS_Store.
* Adding changelog.
* Putting unreleased back into the changelog as this isn't a release PR.
* Bumping up the version.
* Adding flags to take in JSON from the command line.
* go.sum no longer strictly necessary since go1.13
* Adding support for reading JSON list of hosts to drain from STDIN or from a file.
* Adding changes to changelogs
