Add ibus to ubuntu-precise; resolves travis-ci/apt-package-whitelist#999
Add ibus to ubuntu-precise; resolves travis-ci/apt-package-whitelist#999

Packages: ibus libibus-1.0-5 libibus-1.0-dev ibus-gtk ibus-gtk3 ibus-wayland ibus-doc gir1.2-ibus-1.0 ibus-dbg

jmerkow/apt-package-whitelist,jmerkow/apt-package-whitelist,phw/apt-package-whitelist,AlCutter/apt-package-whitelist,christophgysin/apt-package-whitelist,travis-ci/apt-package-whitelist,christophgysin/apt-package-whitelist,AlCutter/apt-package-whitelist,travis-ci/apt-package-whitelist,phw/apt-package-whitelist