bump version

update NEWS and DESCRIPTION

update NEWS and DESCRIPTION

update NEWS and DESCRIPTION

Merge branch 'master' of github.com:rstudio/rmarkdown

update NEWS and DESCRIPTION

bump version

update NEWS and DESCRIPTION for release

Merge pull request rstudio#584 from yihui/bugfix/windows-slash

Use normalizePath(winslash = "/") more consistently throughout the package

change version to 0.8