PHPOffice#1318 Enable images in FirstHeader/FirstFooter

[ljcag]

This is:

- [X] a bugfix
- [ ] a new feature

Checklist:

• Changes are covered by unit tests
• Code style is respected
• Commit message explains why the change is made (see https://github.com/erlang/otp/wiki/Writing-good-commit-messages)
• CHANGELOG.md contains a short summary of the change
• Documentation is updated as necessary

Why this change is needed?

Fixes #1318
I recreated the pull request to update to the newest master branch and to clean up my commit history. I'm sorry for the inconvenience.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.
If this is still an issue for you, please try to help by debugging it further and sharing your results.
Thank you for your contributions.

[bettercalljason]

We need a header image only on the first page and this is currently not possible.

Would it be possible to merge this change? I would be happy to rebase and submit a new PR which is up to date.

[oleibman]

Support for this was added by PR #4572. Removing stale label, leaving closed.