* Add FAQ as separate document. Removed from RST docs.
Future work:
* Add references to contact us.
* Substantial Rewrite of Contributing Guidelines
* Updated with review comments.
* Avoid duplicating contribution instructions
Reference the contribution guidelines online rather than repeating them.
Make language more consistent with other sources.
* Reshuffle contents based on review comments.
* Move contributing to root dir, populate it with contents of contribute.rst and contribute-unittest.rst
* Delete contribute.rst and contribute-unittest.rst
* Delete the defunct Google Summers of Code
*Add CONTACT.md, populating it from CONTACT.rst.
* Reference new CONTACT.md from Index.
* Fix broken links, ToC.
* Fix another link.
* Bring in changes to README and setup.py from #8450.
* Include OpenGL reference
* Mention all the sponsors.
* Wrong README file was modified - try again
* Updated a bunch of http -> https
Not every single instance, but made a major dent.
Only instances where https worked (inclem.net, I am looking at you.)
* Update CODE_OF_CONDUCT.md to be the most modern version
* Update with review comments
* Correct link
* Add stubs for GitHub-hosted pages
* Fix links
RST broken by line feed.
Inline link.