dev-haskell/network: bump up to 2.4.1.0

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-haskell/persistent: bump up to 1.1.4

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
app-admin/haskell-updater: allow process-1.2 (comes with live ghc)

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>