Merge pull request #267 from mjorlitzky/master

New package: net-misc/email-validator.
dev-haskell/harpy: fix against ghc-7.6

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
www-servers/mighttpd2: rename mkindex binary to unclash with latex's one

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-haskell/buildwrapper: workaround build failure on cabal-1.18

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-lang/hnc: drop local hacks

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-haskell/hslua: bump up to 0.3.7

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-haskell/tables: allow binary-0.7

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
net-misc/haeredes: bump 0.2.0 -> 0.3.0, remove old 0.1 version.