gnu: certbot: Improve synopsis. * gnu/packages/tls.scm (certbot)[synopsis]: Add authorship information.
gnu: Add acme-client. * gnu/packages/tls.scm (acme-client): New variable.
gnu: gnutls: Replace with 3.5.4 [fixes GNUTLS-SA-2016-3]. * gnu/packages/tls.scm (gnutls)[replacement]: New field. (gnutls-3.5.4): New variable.
gnu: Add nfs-utils * gnu/packages/nfs.scm: New file. * gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
gnu: r-org-mm-eg-db: Update to 3.3.0. * gnu/packages/bioinformatics.scm (r-org-mm-eg-db): Update to 3.3.0.
gnu: r-org-dm-eg-db: Update to 3.3.0. * gnu/packages/bioinformatics.scm (r-org-dm-eg-db): Update to 3.3.0.
gnu: r-org-ce-eg-db: Update to 3.3.0. * gnu/packages/bioinformatics.scm (r-org-ce-eg-db): Update to 3.3.0.
gnu: r-org-hs-eg-db: Update to 3.3.0. * gnu/packages/bioinformatics.scm (r-org-hs-eg-db): Update to 3.3.0.
gnu: r-go-db: Update to 3.3.0. * gnu/packages/bioinformatics.scm (r-go-db): Update to 3.3.0.
gnu: r-rmarkdown: Update to 1.0. * gnu/packages/statistics.scm (r-rmarkdown): Update to 1.0. [propagated-inputs]: Add "r-jsonlite" and "r-base64enc".
gnu: r-dplyr: Update to 0.5.0. * gnu/packages/statistics.scm (r-dplyr): Update to 0.5.0.
gnu: r-rcpparmadillo: Update to 0.7.400.2.0. * gnu/packages/maths.scm (armadillo-for-rcpparmadillo): Update to 7.400.2. * gnu/packages/statistics.scm (r-rcpparmadillo): Update to 0.7.400.2.0.
gnu: r-tidyr: Update to 0.6.0. * gnu/packages/statistics.scm (r-tidyr): Update to 0.6.0.
gnu: r-irlba: Update to 2.1.1. * gnu/packages/statistics.scm (r-irlba): Update to 2.1.1.
gnu: r-dt: Update to 0.2. * gnu/packages/statistics.scm (r-dt): Update to 0.2.
gnu: r-sparsem: Update to 1.72. * gnu/packages/statistics.scm (r-sparsem): Update to 1.72.
gnu: r-lambda-r: Update to 1.1.9. * gnu/packages/statistics.scm (r-lambda-r): Update to 1.1.9.
gnu: r-futile-logger: Update to 1.4.3. * gnu/packages/statistics.scm (r-futile-logger): Update to 1.4.3.
gnu: r-lattice: Update to 0.20-34. * gnu/packages/statistics.scm (r-lattice): Update to 0.20-34.
gnu: r-plotrix: Update to 3.6-3. * gnu/packages/statistics.scm (r-plotrix): Update to 3.6-3.