no need to load the package explicitly before getFromNamespace()
call Rcpp using an equivalent approach without declaring it in Suggests

travis ci can be slightly faster as well
due to the change in formatR: when wrap comments, the prefix ## is not considered, so the comment lines can be wider now
moved parse_only() to formatR
increase formatR version
there is no makefile now
for some reason, .attr('value') no longer works for textarea; we have to use .val()
use everything from yandex.st instead of including them in html
white space
closes #495: syntax highlighting for other languages via highr::hi_andre()
the source hook really receives the source, instead of possibly syntax highlighted source
bump version