Merge branch 'master' into staging

gnu: idris: Update to 0.12.3.

* gnu/packages/haskell.scm (idris): Update to 0.12.3.
  [origin]: Remove snippet.
  [inputs]: Add ghc-aeson, ghc-async, ghc-fsnotify, ghc-regex-tdfa,
  ghc-tasty-golden, ghc-tasty-rerun and ghc-terminal-size.
  [arguments]: Disable tests.

gnu: ghc-trifecta: Update to 1.6.

* gnu/packages/haskell.scm (ghc-trifecta): Update to 1.6.
  [inputs]: Add ghc-doctest and ghc-quickcheck.
  [arguments]: Enable tests.

gnu: Add ghc-terminal-size.

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

gnu: Add ghc-ieee754.

* gnu/packages/haskell.scm (ghc-ieee754): New variable.

gnu: Add ghc-tasty-rerun.

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

gnu: Add ghc-fsnotify.

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

gnu: Add ghc-hinotify.

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

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.