resolves #517 id and role shorthand for quoted text
resolves #524 ignore comment lines when matching labeled list item
resolves #167 correctly calculate line length in Ruby 1.8
minor template improvements
consolidate method body to one line
consolidate return value
Merge pull request #525 from mojavelinux/dlist-match-fix

resolves #524 ignore comment lines when matching labeled list item
Merge pull request #526 from mojavelinux/ruby-1-8-line-length

resolves #167 correctly calculate line length in Ruby 1.8
Merge pull request #521 from mojavelinux/quoted-text-id-role-shorthand

resolves #517 id and role shorthand for quoted text
fix references to document (add @ prefix)
resolves #534 handle callout marks properly when using CodeRay
resolves #529 add inline icon macro
fix syntax error in erb
Merge pull request #535 from mojavelinux/callout-fixes

resolves #534 handle callout marks properly when using CodeRay
fix table valign classes, no underline on image link
resolves #540 enable toc & numbered by default in DocBook backend
resolves #508 lowercase attribute names passed to API
use iconfont-cdn as complete URI
Merge pull request #543 from mojavelinux/lowercase-attributes

resolves #508 lowercase attribute names passed to API
Merge pull request #537 from mojavelinux/inline-icon-macro

resolves #529 add inline icon macro