* fix: Fix friendly_state() for drafts in rfc state
* refactor: Change became-rfc to became_rfc for consistency
* refactor: Begin handling RFCs separatly in document_main
WIP
* chore: Hide reviews and conflict reviews for RFCs
* chore: Remove irrelevant fields from rfc doc view
* chore: Remove unused variables
* chore: Remove "Versions" field from document_rfc.html
* chore: Hide "Nits" button for RFC documents