Add python-backports.ssl-match-hostname to ubuntu-precise; resolves travis-ci/apt-package-whitelist#3072
Add python-backports.ssl-match-hostname to ubuntu-precise; resolves travis-ci/apt-package-whitelist#3072

Packages: python-backports.ssl-match-hostname

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