Log Message:
devel/ruby-octokit: update to 4.8.0

4.8.0							2017/12/21

Support for additional API endpoints

* #885 Topics API
* #884 Get a single Installation
* #894 Add assignees
* #895 Find user installations
* #929 Marketplace listings API
* #928 Nested Teams API
* #938 Get user's marketplace purchases
* #932 GitHub Apps API

APIs taken out of preview

* #913 Organization Memberships API
* #923 Pull Request Review API

Enhancements

* #886 Allow reviews and review comments to be paginated
* #899 Expose response_headers and response_body on error objects
* #877 Improve error message when Octokit::Repository.new fails
* #958 Update add/remove installations methods to use non-deprecated endpoints
* #892 Move integrations endpoints across to apps

Bugfixes

* #876 Remove destructive assignment for repository
* #966 Fix apps client for GitHub Enterprise installs (new endpoints in this
   release, but still)

Note about Rubinius support

We have been unable to get a Rubinius build working for CI for quite some
time, meaning that Rubinius support has been spotty or non-existent.  In this
release we finally stopped trying.  This isn't directly backwards-incompatible
since it already wasn't working, but it does feel a bit iffy.

If you happen to use Rubinius and know how to get this working on Travis, we'd
be delighted to review a pull request that adds it back in.CVS: \ 
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