Merge pull request #230 from janus2/fix-228

 Fixes typo in rotate method

Merge branch 'master' of https://github.com/openframeworks/ofBook int…

…o pdf-generation-fix

Update README.md

Merge pull request #70 from mikewesthad/master

PDF generation updates: working version mimicing webBook style

Merge branch 'master' of https://github.com/openframeworks/ofBook

Fixes some matrices