Merge branch 'hotfix/sys-power/suspend' into develop
x11-themes: Add Faience themes

Faience provides three sets of themes for Gnome Shell, Metacity, Gtk2
and Gtk3. Add it into portage.
x11-themes: Add Faience icon themes

Add ebuild which helps to fetch and install Faience icon themes.
Merge branch 'release/faience-themes'