Merge pull request #14 from georgecrawford/master

Improvements in performance to avoid layout thrashing
Update travis
Merge pull request #15 from georgecrawford/master

Add test for reflow, add docs
Update bower
Merge pull request #20 from georgecrawford/master

Add "attach-page-last" flag to create pages at end
Merge pull request #21 from georgecrawford/master

Bump version number
Use sub-pixel precision for flowed element padding