Disable Hydra builds for broken Haskell packages.

The following packages are broken with GHC 7.8.3:

 - filesystem-conduit version 1.0.0.2
 - ghc-events-analyze version 0.2.0
 - haskelldb version 2.2.2
 - haskell-mpi version 1.2.1
 - haxr-th version 3000.5
 - hoauth version 0.3.5
 - holy-project version 0.1.1.0
 - hoogle version 4.2.32
 - hspread version 0.3.3
 - instant-generics version 0.4
 - ivor version 0.1.14.1
 - jmacro-rpc-happstack version 0.3
 - lambdacube-engine version 0.2.4
 - language-c-inline version 0.6.0.0
 - lockfree-queue version 0.2.3
 - monad-peel version 0.1.1
 - network-transport-tests version 0.1.0.1
 - poppler version 0.12.3
 - profiteur version 0.1.2.1
 - prolog-graph-lib version 0.2.0.1
 - semigroupoid-extras version 4.0
 - setlocale version 0.0.3
 - sized-types version 0.5.0
 - snaplet-postgresql-simple version 0.5
 - snap-loader-dynamic version 0.10.0.2
 - uhc git version 20120502
 - uniqueid version 0.1.1
 - unix-process-conduit version 0.2.2.3
 - vado version 0.0.1
 - vcsgui version 0.0.4
 - xml-html-conduit-lens version 0.3.2.0

The following packages depend on one of the broken ones above:

 - hoodle-builder version 0.3
 - hoodle-core version 0.14
 - hoodle-extra version 0.1
 - hoodle-parser version 0.3
 - hoodle-render version 0.4
 - hoodle-types version 0.3
 - hoodle version 0.3
 - kansas-lava version 0.2.4
 - liblastfm version 0.4.0.0
 - prolog-graph version 0.1.0.2
 - vacuum-cairo version 0.5
 - wcwidth version 0.0.2