v0.4.6
* bump version * add check steps and tweak reelase steps * update docker file to pandoc 2.2-1 like travis-ci * add revdep checks * add rhub script * add revdep output * adjust release steps * copy cran comments from another pkg * on windows, files that end with a '/' do not exist (and will have a different error) * update cran comments * rhub note * spelling * add note in cran comments about mac port 8000