resource blueprint origin
Gist state machine origin
Update references to gist state machine assets
Update description of the state machine.
Resource Blueprint Syntax origin
Keyword section origin
Fix formatting & links
rename Gists API.md to Gist API.md
Formattign cleanup.
Naming convetions origin
Elaborate on optional sections.
Fix HTTP protocol query parameters. Additional README formatting changes.
Add credits due
Fix few typos
Fix affordances display in Gist API State Machine
various wording fixes in README and API.md and updated state-machine pics
Merge branch 'resource-blueprint' of github.com:apiaryio/api-blueprint into resource-blueprint

Fixed Conflicts:
	resource blueprint/Gist API.md
	resource blueprint/README.md
fixed spell checking in images