update readme to account for the fact that TexLive on Windows now works with pandoc
Merge branch 'master' of github.com:rstudio/rmarkdown
match end code-highlight at code chunk termination as well as newline
bump version
explicitly lookup paths for OSX Yosemite (which strips the PATH environment variable for subprocesses, including /usr/bin/which)
bump version
only reset latex_engine if we find the program
bump version
use system2 with PATH for calling /usr/bin/which on OSX
bump version
system based implementation of find_program