first try at a httpdd JSON definition
quickfix
fixes to httpdd schema
switch from json schema to cosmogol
content_exists -> has_content; clean up diagram
fix cosmogol
json fsm
rename to cosmogol extension
Merge branch 'switch-to-fsm-schema'

* switch-to-fsm-schema:
  rename to cosmogol extension
  json fsm
  fix cosmogol
  content_exists -> has_content; clean up diagram
  switch from json schema to cosmogol
  fixes to httpdd schema
  quickfix
  first try at a httpdd JSON definition