added output level metadata

see https://github.com/chrisjsewell/ipypublish#metadata-tags

changed top-level meta tag from latex_doc -> ipub

To reflect that it also applys to html/slides output

also:

• improved control of slide output
• changed from using utf8x -> xelatex, for handling font encoding
• added mkdown output tag

Small bug fix for html caption prefixing

• moved html caption prefixing to LatexCaption, so that captions from other cells are prefixed

Slide autonumbering and captions from code output

v0.5.2

updated readme

Improvements to Slide Output and Smart Slide Creation

slide rows/columns partitioned by markdown headers

also improved latex listings default options for text & stream data

Default Conversion Plugins & Enhancements to HTML/Slides Conversion

• added auto numbering and correct reference hyperlinks for figures/tables/equations/code in html & slides
• added text meta-tag, default meta-tag post processor, and additional converters based on it
• added embeddable html

added universal bdist flag

v0.4.1

added universal bdist flag

Introducing nbpresent: for reveal.js slideshow creation and serving

a lot of refactoring of html template creation
improvement of command line argument processing
introduction of preprocessors
general awesomeness

First full, tested pypi release!

v0.3.0

updated version for release

New Latex Metadata convention

Now all under "latex_doc" key with no "latex_" prefix , e.g.

{
"latex_doc" : {
    "ignore": true
    }
}

instead of:

{"latex_ignore": true}