initial commit: img, video, include_code tags
add notebook tag
add ~ files to gitignore
fix notebook formatting
make code & notebook directories configurable
update readme
change to work with new nbconvert
add ablility to specify notebook cells
add ability to specify static directory
save notebook header only once
fix cell indexing issue
fix notebook cell parsing
add literal tag for displaying {% ... %}
properly set language in include_code
make compatible with newer IPython
make liquid_tags.notebook compatible with IPython 1.0
address notebook comments
ActivatableTransformer -> Transformer
Change names for compatibility with IPython 1.0alpha
modify mathjax to not interfere with normal posts