Fix indicators in xfce's panel with Gtk3.14
Fix xfce-panel background in Gtk3
Add style for flat buttons
Add button:checked styles
More Gtk3.14 fixes from Numix
Fix GtkPopovers
Don't use * for insensitive
Make checkbox-assets 16x16
Make radiobutton-assets 16x16
Fix frames
Remove box-shadow on flat buttons
Drop trailing comma
Merge with upstream