Draw item labels and port numbers. Update the hint text. Make items
selectable. Resize fonts similar to the GTK+ version. Add scrollbars.
Update the cursor. Use pango_layout_set_ellipsize() in the GTK+ code.
Fixup comments.
svn path=/trunk/; revision=52855
Copy common code from ui/gtk/flow_graph.c and ui/gtk/graph_analysis.[ch]
to ui/tap-sequence-analysis.[ch]. Start using the name "sequence" in
places.
svn path=/trunk/; revision=52824