Add python-numpy to ubuntu-trusty; resolves travis-ci/apt-package-whitelist#3646
Add python-numpy to ubuntu-trusty; resolves travis-ci/apt-package-whitelist#3646

Packages: python-numpy python-numpy-dbg python3-numpy python3-numpy-dbg python-numpy-doc

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