saga: update from 2.1.2 to 2.1.4 and re-enable build on x86_64-linux
racket: add libreadline to ffi libs - enables xrepl.
performous: new package
Merge pull request #5124 from iyzsong/performous

performous: new package
New package: git-extras
haskell-distributed-process-monad-control add from Hackage
python-robomachine: add myself (bjornfor) as maintainer
Merge pull request #5131 from spwhitt/git-extras

New package: git-extras
Merge pull request #5033 from michelk/saga_2.1.4

saga: update from 2.1.2 to 2.1.4 and re-enable build on x86_64-linux
Merge pull request #5115 from iu-parfunc/racket

racket: add libreadline to ffi libs - enables xrepl.
Merge pull request #5119 from jeremyjh/dp-monad-control

haskell-distributed-process-monad-control add from Hackage
add config.haskell.buildCoreLibraries option
haskell-mtl: update for 7.8.3/buildCorePackages
haskell-hslogger-template: fix for new mtl
haskell-time-recurrence: fix for new mtl
haskell-wizards: fix for new mtl
haskell-tables: fix for new mtl
haskell-cmdtheline: fix for new mtl
haskell-machines: fix for new mtl
haskell-singletons: fix for new mtl