Improve unity-base/unity-language-pack find logic in cases where PORTAGE_TMPDIR has the string 'data'
[Trusty] Use Ubuntu's patchset for dev-qt/qtdeclarative to benefit from QML changes/fixes. Introduce dev-python/u1db and x11-libs/u1db-qt for net-im/friends-app
Update README_trusty_known_issues
[Saucy] updated keyword/mask files because of removed gnome-3.8 packages