dev-haskell/flock: bump up to 0.3.1.5

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-haskell/mediawiki: switch to EAPI=5

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Revert "dev-lang/ghc: gmp cross-compilation got to upstream \o/"

This reverts commit ea56f04a4833a7196d804123919ff09c39e15b45.

The fix was reverted upstream as breaks 'gmp'-less hosts.
Bump crypto-conduit to 0.4.3
Bump yesod-platform to 1.1.7.2