Log Message:
[girara] Upgrade to 0.19

Changes since 0.16:
-------------------

Fix scroll events in GTK+3
Ellipsize items on the left side of the statusbar

Use GTK+3 by default
Resolve some coloring issues
Configurable padding in statusbar
Updated translations

Make window-icon path expandable
Updated scrollbar behaviour
Updated translations

As upstream, use gtk3 instead  of gtk2