update meta.maintainers section
haskell-clientsession: update to version 0.9
haskell-doctest: update to version 0.9.6
haskell-hspec-meta: update to version 1.5.2
haskell-hspec: update to version 1.5.2
haskell-skein: update to version 1.0.0
haskell-yesod-core: jailbreak to support new versions of clientsession