* add empty CHANGELOG.md to try to reuse bazel release.sh
* checkpoint a new distribution method
* Update CHANGELOG.
* checkpoint relnew
* get the tarball working
* fix visibilyt
* whitespace
* punctuation typos
* buildify
* linty fresh
* Comply with the standards of the Bazel federation
This commit allows bazel_skylib to be a member of the Bazel federation, since it adds the required bzl files related to setup and dependencies.
Moreover, it also changes the WORKSPACE to fetch all dependencies through the federation.
* Add copyright and docstring to bzl files