update grants in readme

Update pkgdown files

Final updates to NEWS, cran-comments.md

Minor change to NEWS file

Update build/submit date (2019-01-29)

Updated winbuilder version for tests.

Update publish date for 2.1.0 release

Add note about fixing test failures to comments.

Added URL for DataONE to DESCRIPTION at request of CRAN.

Updated documentation to reflect the existence of the dataonelibs pac…

…kage now.