Add ghc-7.0.4 to ubuntu-precise; resolves travis-ci/apt-package-whitelist#3229
Add ghc-7.0.4 to ubuntu-precise; resolves travis-ci/apt-package-whitelist#3229

Packages: ghc-7.0.4 ghc-7.0.4-prof ghc-7.0.4-dyn ghc-7.0.4-htmldocs

travis-ci/apt-package-whitelist,travis-ci/apt-package-whitelist