[gnome-boxes] (16 commits) Created branch wip/rishi/rhel

[Debarshi Ray <debarshir src gnome org>]

The branch 'wip/rishi/rhel' was created.

Summary of new commits:

  6f28b91... wizard: Always use media-optical when downloading, not some
  3228ec9... util: Simplify code
  0614b38... wizard, wizard-source: Use the headerbar to go back from "E
  b96a173... wizard-source: Use 'requires' instead of 'assert'
  88dfac6... wizard-source: Group the sources into local files, and ever
  0a643e1... wizard-source: Separate the groups of sources using heading
  d888ad7... wizard-source: Move the file selection button next to the h
  8300790... wizard-source: Align each page separately, instead of the w
  0013863... wizard: Let the WizardSource expand if it wants to
  75534bf... downloader, wizard: Support a custom filename for downloade
  fda6656... wizard: Allow a custom filename when sanity-checking downlo
  8c72d8b... wizard: Wire the custom filename to the URI validator
  0bc373c... wizard: Wire the custom filename to the downloader
  bde7c41... configure: Require json-glib and webkitgtk+
  b0da2ba... configure: Require gtk+ >= 3.22.20
  22052bc... wizard, wizard-source: Support gratis RHEL boxes