3.18:
    general:
        add a gnome-shell search provider
        replace
    gpaste-ui:
        search bar
        history chooser
        merge
        edit

future:
    general:
        redo gtk_clipboard_store?
        wayland support
        gpg support
        properties all the way (when GProperty stuff lands)
    libgpaste-client:
        specify errors types when possible in g-i
    tests:
        split test, add interactive wrapper
