gnu: time: Update to 1.8.

* gnu/packages/time.scm (time): Update to 1.8.
[arguments]: Remove custom 'configure phase.

gnu: Add glusterfs.

* gnu/packages/file-systems.scm (glusterfs): New variable.

gnu: r-prabclus: Update description.

* gnu/packages/statistics.scm (r-prabclus)[description]: Fix grammar errors.

gnu: r-fdrtool: Update description.

* gnu/packages/statistics.scm (r-fdrtool)[description]: Use "@dfn" syntax.

gnu: Add r-bbmle.

* gnu/packages/cran.scm (r-bbmle): New variable.

gnu: Add r-rsofia.

* gnu/packages/cran.scm (r-rsofia): New variable.

gnu: Add r-hitc.

* gnu/packages/bioinformatics.scm (r-hitc): New variable.

gnu: Add r-fithic.

* gnu/packages/bioinformatics.scm (r-fithic): New variable.

gnu: Add r-sushi.

* gnu/packages/bioinformatics.scm (r-sushi): New variable.

gnu: Add r-vioplot.

* gnu/packages/cran.scm (r-vioplot): New variable.

gnu: Add r-sm.

* gnu/packages/cran.scm (r-sm): New variable.

gnu: Add r-gwascat.

* gnu/packages/bioinformatics.scm (r-gwascat): New variable.

gnu: Add r-gviz.

* gnu/packages/bioinformatics.scm (r-gviz): New variable.

gnu: Add r-gqtlstats.

* gnu/packages/bioinformatics.scm (r-gqtlstats): New variable.

gnu: Add r-hardyweinberg.

* gnu/packages/cran.scm (r-hardyweinberg): New variable.

gnu: Add r-mice.

* gnu/packages/cran.scm (r-mice): New variable.

gnu: Add r-ldblock.

* gnu/packages/bioinformatics.scm (r-ldblock): New variable.

gnu: Add r-erma.

* gnu/packages/bioinformatics.scm (r-erma): New variable.

gnu: Add r-homo-sapiens.

* gnu/packages/bioinformatics.scm (r-homo-sapiens): New variable.

gnu: Add r-org-hs-eg-db.

* gnu/packages/bioinformatics.scm (r-org-hs-eg-db): New variable.