resolves #88 update quick ref with 0-1-4 changes

- link to icon info in user manual
- inter-doc references
- video macro
- code block with non-select callouts
- code block with xml callout
- pygments
- checklist
- list marker styles
- list number styles
- implicit table header row
- options shorthand
- role and anchor inline shorthand
- image formatting
- toc syntax
- include content form URI
- role for backticked text
- section with link to user manual and help