Add ansible to ubuntu-precise; resolves travis-ci/apt-package-whitelist#495
Add ansible to ubuntu-precise; resolves travis-ci/apt-package-whitelist#495

Packages: ansible ansible-fireball ansible-node-fireball

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