Add glew-utils to ubuntu-precise; resolves travis-ci/apt-package-whitelist#3457
Add glew-utils to ubuntu-precise; resolves travis-ci/apt-package-whitelist#3457

Packages: glew-utils libglew-dev libglew2.0 libglew-dbg

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