Removing poster.png file.
Clarification note about JS usage for canvas.
Update specification.asciidoc
Updated markdown sample README
Rename README to README.md
Updated markdown README URL.
Restructuring stylesheet directory for EPUB/MOBI/PDF and added sample EPUB and Mobi CSS stylesheets.
PDF stylesheet revisions from AW.
Merge pull request #109 from oreillymedia/ebook_stylesheets

Updating example EPUB/Mobi/PDF CSS stylesheets
Merge pull request #110 from oreillymedia/xspec

NCX improvements and Xspec tests
Subbing in new image of raincoat-wearing penguin.
Update README.asciidoc
Stripping "the section called" from default gentext for English localization.
Merge pull request #111 from oreillymedia/gentext

Stripping "the section called" from default gentext for English localization
added missing < in the <html> tag
Merge pull request #114 from pkra/patch-1

added missing < in the <html> tag
adding level="any" to xsl:number elements to fix label handling of chapters within parts
Additional XSpec tests around label.markup.
Merge pull request #116 from oreillymedia/sarah

Adding level="any" to xsl:number elements to fix label handling of chapters within parts
Merge branch 'master' of github.com:oreillymedia/HTMLBook into xspec