Merge pull request #401 from Flamenco/master

Added support for zoom factor in links
Example PDFs for annonation & outline features
added functions to insert, delete, and move pages.
Merge pull request #404 from Flamenco/c2d

HTML5 CanvasRenderingContext2D interface
Merge pull request #409 from Flamenco/insert

added functions to insert, delete, and move pages.