Renaming from update services

[afragen]

It seems renaming from update services like iThemes Sync, ManageWP, and likely others is broken.

I'm reaching out to iThemes for help in figuring out the problem.

[afragen]

I think I see the issue. In Base::_get_updating_repos() I parse the $_REQUEST variable.

https://github.com/afragen/github-updater/blob/develop/src/GitHub_Updater/Base.php#L525-L530

The $_REQUEST variable structure must be different for iThemes Sync, ManageWP, etc. and once I can get that info this should be fixed.

[afragen]

iThemes Sync is now working again. Thanks @chrisbliss18

[afragen]

Just was listening to Apply Filters with @pippinsplugins and thought I should really just add a couple of hooks into the right places and figure out how to add support for remote update services via additional small classes.

[afragen]

I've been testing with a local install of InfiniteWP and every seems to work. The only exceptions are that InfiniteWP doesn't seem to identify child themes for updates.