Update inline reference guides for v2

Remove <div><code> wrappers from @example  instructions.
Update norender to use //META: norender.
Remove notest and modernizr completely.
add alt example mechanism for inserting within description
document URLs for linking to other features
style guide: fix CDC link, link to generating+previewing
style guide: update link to CDC's people-first language page
style guide: link to generating and previewing section of inline ref guide
improve section: generating and previewing the reference
incorporate Dave's jsdoc.md into the main inline reference guide
Add quick reference table
switch out and downplay partial code examples

Author: nbogie