Add python-coverage to ubuntu-precise; resolves travis-ci/apt-package-whitelist#1140
Add python-coverage to ubuntu-precise; resolves travis-ci/apt-package-whitelist#1140

Packages: python-coverage python3-coverage python-coverage-dbg python3-coverage-dbg

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