Add libdbi1 to ubuntu-precise; resolves travis-ci/apt-package-whitelist#2828
Add libdbi1 to ubuntu-precise; resolves travis-ci/apt-package-whitelist#2828

Packages: libdbi1 libdbi-dev libdbi-doc libdbi1-dbg

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