Revised informalfigure handling to output a loose <img/>, in accordance with HTMLBook spec.
Merge branch 'master' of github.com:oreillymedia/docbook2htmlbook into informalfigure
Yes, still want to include <img> in standard figs :)
Merge pull request #14 from oreillymedia/sarah

Added handling to presreve @ids and @roles on step/substep elements
Merge branch 'master' of github.com:oreillymedia/docbook2htmlbook into informalfigure
Merge pull request #15 from oreillymedia/informalfigure

Revised informalfigure handling
tweaked the way @roles are preserved as class values for procedures/steps
Merge branch 'master' of https://github.com/oreillymedia/docbook2htmlbook into sarah