Fix cache manifest generation
Minor typo, grammar and style corrections.
Merge pull request #263 from jpoesen/patch-1

Minor typo, grammar and style corrections.
Parse more than two level in summary
Remove useless method parseArticle
Render articles of level > 2 in summary
Improve design of summary for deep articles
Adapt navigation parsing to third and more levels in summary
Fix use of cover.jpg in ebook
Fix cover option for ebook
Remove command log in ebook convert
Merge pull request #265 from GitbookIO/feature/levels

More than two section level in summary
Bump version to 0.4.7
Use ebook-convert for pdf generation
Generate valid first level table of content for ebook
Improve ebook generation (toc, ...)
Add toc at the end of pdf
Add margin on pdf output
Adding a new plugin.

I Just published a first version of the Piwik Open Analytics plugin, on both GIT and NPM.
Merge pull request #274 from emmanuel-keller/patch-1

Adding a new plugin (Piwik Open Analytics plugin)