* start centralizing negotiation logic for API
* swagger document nodeinfo endpoint
* go fmt
* document negotiate function
* use content negotiation
* tidy up negotiation logic
* negotiate content throughout client api
* swagger
* remove attachment on Content
* add accept header to test requests
* add statusesvisible convenience function
* add minID + onlyPublic to account statuses get
* move swagger collection stuff to common
* start working on Outbox GETting
* move functions into federationProcessor
* outboxToASCollection
* add statusesvisible convenience function
* add minID + onlyPublic to account statuses get
* move swagger collection stuff to common
* start working on Outbox GETting
* move functions into federationProcessor
* outboxToASCollection
* bit more work on outbox paging
* wrapNoteInCreate function
* test + hook up the processor functions
* don't do prev + next links on empty reply
* test get outbox through api
* don't fail on no status entries
* add outbox implementation doc
* typo