gnu: Add sra-tools.

* gnu/packages/bioinformatics.scm (sra-tools): New variable.

gnu: Add NCBI VDB.

* gnu/packages/bioinformatics.scm (ncbi-vdb): New variable.

gnu: Add NGS Java bindings.

* gnu/packages/bioinformatics.scm (ngs-java): New variable.

gnu: Add NGS SDK.

* gnu/packages/bioinformatics.scm (ngs-sdk): New variable.

gnu: Add Biopython.

* gnu/packages/bioinformatics.scm (python-biopython, python2-biopython): New
  variables.

Merge branch 'master' into core-updates

Conflicts:
	gnu-system.am
	gnu/packages/gstreamer.scm

gnu: Add FASTX Toolkit.

* gnu/packages/bioinformatics.scm (fastx-toolkit): New variable.

gnu: rseqc: Update hash.

* gnu/packages/bioinformatics.scm (rseqc): Update hash.

Merge branch 'master' into core-updates

gnu: Add GRIT.

* gnu/packages/bioinformatics.scm (grit): New variable.

gnu: Add Shogun.

* gnu/packages/bioinformatics.scm (shogun): New variable.

Merge branch 'master' into core-updates

gnu: Add clustal omega.

* gnu/packages/bioinformatics.scm (clustal-omega): New variable.

Merge branch 'master' into core-updates

gnu: pbtranscript-tofu: Add missing inputs.

* gnu/packages/bioinformatics.scm (pbtranscript-tofu)[inputs]: Add missing
  runtime inputs.

gnu: pbtranscript-tofu: Delete pre-built libraries.

* gnu/packages/bioinformatics.scm (pbtranscript-tofu)[arguments]: Delete
  "build" directory and any shared objects after unpacking.

gnu: Add vcftools.

* gnu/packages/bioinformatics.scm (vcftools): New variable.

gnu: Add cutadapt.

* gnu/packages/bioinformatics.scm (cutadapt): New variable.

Merge branch 'master' into core-updates

gnu: Add pbtranscript-tofu.

* gnu/packages/bioinformatics.scm (pbtranscript-tofu): New variable.