always use the version on github when merging
tweak description
lyx 2.0.4
add a reference card
makefile also makes the reference card
a new task 'vignettes' to export lyx to Rnw
news about refcard
make news
ignore knitr-refcard.lyx in .Rinstignore
bump version; ready to release
missing space
print timestamp() when verbose=TRUE; fixes #377
start v0.9; news about timestamp()
new function escape_html() to escape special HTML chars
add a `highlight` argument to render_jekyll()
add references to Jekyll and prettify.js
re-roxygenize
bump version
add an 'extra' argument to render_jekyll()
document 'extra'