Add libgearman7 to ubuntu-precise; resolves travis-ci/apt-package-whitelist#2327
Add libgearman7 to ubuntu-precise; resolves travis-ci/apt-package-whitelist#2327

Packages: libgearman7 libgearman-dev libgearman-dbg libgearman7-dbg libgearman-doc gearman-job-server gearman-tools gearman

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