few tweaks to convert_passthroughs.rb standalone script
Merge pull request #35 from oreillymedia/sarah-passthrough

refactoring
fixed path to db2htmlbook xsl
Merge pull request #36 from oreillymedia/sarah-passthrough

fixed path to db2htmlbook xsl
Merge pull request #37 from oreillymedia/sarah

adding handling for inline and block callouts
adding document title to callout markup to prevent duplicate ids