gnu: python-ruamel.yaml: Update to 0.15.35.

* gnu/packages/serialization.scm (python-ruamel.yaml): Update to 0.15.35

gnu: dotherside: Update to 0.6.3.

* gnu/packages/qt.scm (dotherside): Update to 0.6.3

gnu: ruby-json-pure: Fix build failure.

* gnu/packages/ruby.scm (ruby-json-pure)[native-inputs]: Add ragel.

gnu: ruby-simplecov-html: Update to 0.10.2.

* gnu/packages/ruby.scm (ruby-simplecov-html): Update to 0.10.2

gnu: ruby-pry: Update to 0.11.3.

* gnu/packages/ruby.scm (ruby-pry): Update to 0.11.3

gnu: ruby-hoe: Update to 3.16.2.

* gnu/packages/ruby.scm (ruby-hoe): Update to 3.16.2

gnu: ruby-daemons: Update to 1.2.5.

* gnu/packages/ruby.scm (ruby-daemons): Update to 1.2.5

gnu: ruby-crass: Update to 1.0.3.

* gnu/packages/ruby.scm (ruby-crass): Update to 1.0.3

gnu: cmark: Mark up description.

* gnu/packages/markup.scm (cmark)[description]: Use @dfn{}.

gnu: cmark: Update to 0.28.3.

* gnu/packages/markup.scm (cmark): Update to 0.28.3

gnu: pulsemixer: Update to 1.4.0.

* gnu/packages/pulseaudio.scm (pulsemixer): Update to 1.4.0

gnu: python-reportlab: Use HTTPS for home page.

* gnu/packages/pdf.scm (python-reportlab)[home-page]: Use HTTPS.

gnu: python-reportlab: Update to 3.4.0.

* gnu/packages/pdf.scm (python-reportlab): Update to 3.4.0

gnu: r-xts: Update to 0.10-1.

* gnu/packages/cran.scm (r-xts): Update to 0.10-1

gnu, doc: Use HTTPS for cran.r-project.org home pages.

* gnu/packages/bioinformatics.scm (r-sparql, r-acsnminer, r-gkmsvm)
(r-maldiquant, r-gprofiler)[home-page]: Use HTTPS.
* gnu/packages/cran.scm (r-colorspace, r-auc, r-calibrate, r-shape)
(r-compare, r-proxy, r-sp, r-rmtstat, r-lmtest, r-inline, r-bbmle)
(r-lpsolve, r-energy, r-suppdists, r-ksamples, r-cvst, r-drr, r-prodlim)
(r-ddalpha, r-rcpproll, r-ipred, r-psych, r-truncnorm, r-rsolnp, r-laeken)
(r-vcd, r-ica, r-scatterplot3d)[home-page]: Likewise.
* gnu/packages/machine-learning.scm (r-adaptivesparsity, r-kernlab)
[home-page]: Likewise.
* gnu/packages/maths.scm (r-quadprog, r-pracma)[home-page]: Likewise.
* gnu/packages/statistics.scm (r-boot, r-cluster, r-codetools, r-foreign)
(r-kernsmooth, r-nlme, r-mgcv, r-rpart, r-dichromat, r-estimability)
(r-pheatmap, r-labeling, r-magrittr, r-munsell, r-rcolorbrewer, r-sendmailr)
(r-gdtools, r-acepack, r-formula, r-locfit, r-chron, r-coda, r-backports)
(r-brew, r-commonmark, r-rstudioapi, r-plotrix, r-gridbase, r-bitops)
(r-catools, r-xnomial, r-lambda-r, r-whoreadsthis, r-futile-options)
(r-futile-logger, r-segmented, r-snow, r-iterators, r-foreach, r-doparallel)
(r-domc, r-irlba, r-registry, r-e1071, r-bigmemory-sri, r-r-methodss3)
(r-tidyselect, r-base64, r-runit, r-sfsmisc, r-gtools, r-gdata, r-gplots)
(r-ztable, r-vipor, r-sourcetools, r-statmod, r-compquadform, r-mixtools)
(r-fastica, r-diptest, r-modeltools, r-flexmix, r-deoptimr, r-pcapp)
(r-rrcov, r-fit-models, r-robust, r-trimcluster, r-fpc, r-fnn)
(r-modelmetrics, r-nloptr, r-lme4, r-tclust, r-lubridate)[home-page]:
Likewise.
* gnu/packages/web.scm (r-htmltools, r-hwriter, r-rjson, r-rook)[home-page]:
Likewise.
* doc/guix.texi (Invoking guix import, Invoking guix refresh): Likewise.

services: messaging: Use HTTPS for prosody.im URLs.

* gnu/services/messaging.scm (prosody-configuration): Use HTTPS whenever
referring to prosody.im URLs in documentation.
* doc/guix.texi (Messaging Services): Likewise.

gnu: Add wine64-staging.

* gnu/packages/wine.scm (wine64-staging): New variable.

gnu: gambit-c: Update to 4.8.8.

* gnu/packages/scheme.scm (gambit-c): Update to 4.8.8.

gnu: wine: Add missing copyright line.

gnu: wine-staging: Add gtk+, libva inputs.

* gnu/packages/wine.scm (wine-staging)[inputs]: Add gtk+ and libva.