Merge branch 'master' into core-updates

gnu: Correct hackage mirror usage.

* gnu/package/haskell.scm (ghc-data-accessor)[source]: Specify hackage
mirror.
(ghc-data-accessor-transformers)[source]: Same.
(ghc-gnuplot)[source]: Same.

gnu: Add ghc-gnuplot.

* gnu/packages/haskell.scm (ghc-gnuplot): New variable.

gnu: Add ghc-utility-ht.

* gnu/packages/haskell.scm (ghc-utility-ht): New variable.

gnu: Add ghc-data-access-transformers.

* gnu/packages/haskell.scm (ghc-data-access-transformers): New variable.

gnu: Add ghc-data-accessor.

* gnu/packages/haskell.scm (ghc-data-accessor): New variable.

Merge branch 'master' into core-updates

gnu: Add GHC 8.0.1.

* gnu/packages/haskell.scm (ghc-8): New variable.

gnu: Add ghc-hashtables.

* gnu/packages/haskell.scm (ghc-hashtables): New variable.

gnu: Add ghc-easyplot.

* gnu/packages/haskell.scm (ghc-easyplot): New variable.

gnu: Add ghc-hmatrix-gsl-stats.

* gnu/packages/haskell.scm (ghc-hmatrix-gsl-stats): New variable.

gnu: Add ghc-hmatrix-special.

* gnu/packages/haskell.scm (ghc-hmatrix-special): New variable.

gnu: Add ghc-hmatrix-gsl.

* gnu/packages/haskell.scm (ghc-hmatrix-gsl): New variable.

gnu: Add ghc-hmatrix.

* gnu/packages/haskell.scm (ghc-hmatrix): New variable.

gnu: Add ghc-storable-complex.

* gnu/packages/haskell.scm (ghc-storable-complex): New variable.

Merge branch 'master' into core-updates

gnu: Add ghc-pandoc-citeproc.

* gnu/packages/haskell.scm (ghc-pandoc-citeproc): New variable.

gnu: Add ghc-xml-conduit.

* gnu/packages/haskell.scm (ghc-xml-conduit): New variable.

gnu: Add ghc-xml-types.

* gnu/packages/haskell.scm (ghc-xml-types): New variable.

gnu: Add ghc-conduit-extra.

* gnu/packages/haskell.scm (ghc-conduit-extra): New variable.