Fixes #289, Incorrect list generation. Also turns off debug for json renderer.

Fixes failure to convert string to number in call to toc()

Fixes #291 ... again.

Fixes #300, allow renderer to choose callout file format

Fixes for Ruby 1.9

Fixes image and header sizing

Sets the proper character encoding in HTML output

Recognise type by suffix (limited)

Fixes #290, numbered page break headings

Bug fixes

Adds target to generate distribution files

Added tag 2.2 for changeset 5100e0c48650

Added tag 2.1 for changeset 6207d6fbaf66

Fixes #236: glyph expansion

More work on the pdfslides layout (references #271)

HG maintenance

First pass at the PDF slides (references #271)

Fixes #281: text in paragraphs after ADM is not being rendered

Fixes #275 #274: end-of-list issues

Fixes #262: subquotes don't recognize sub-attributions