* Middleware overhaul!
- Remove unnecessary 'async' keywords from middleware functions
- Ensure all middleware functions we create have names
- Wrap the method contents of all async middleware functions in a try-catch+next(error) pattern
* Use asyncMiddleware wrapper instead of try-catch+next(error) pattern
* Remove unnecessary try-catch+next(error) pattern from context middleware
* Cache archived asset JS/CSS for a day
* Don't waste time with ETag calculations
* Add a comment about the expiration length
* Cache images and fonts for a day
* Cache GraphQL data files for a week
* Set Fastly surrogate-key header on all responses
* Update test to account for new response header
* Check repository references
* Remove "foundRepoNames" that I used to find all the unique names
* A little speed up with Set
* Ignore a few files
* Remove remaining references
* Update README.md
