well, Simon can never remember this; the breakurl problem has come back to CRAN/OS X
knit the notebook in a temp dir, so I do not worry about the auxiliary files
it is hard to believe that I forgot to add the css for syntax highlighting
use the hljs prefix; it does not hurt in this case
tweak the docco_linear style: make the page wider, and use relative font-size for code
apply knit_print() to inline output as well using the new argument inline=TRUE/FALSE

closes #770
document the inline argument, and update the knit_print vignette, explaining the ... argument
roxygenize
bump version
hide the options and inline arguments in the main function, otherwise R CMD check will warn about the mismatch between main function and method