Add new empty file for GUI (pygtk).
GUI: add menu items.
New file.
GUI: change 'import x' --> 'from x import y'.
GUI: add AboutDialog.
GUI: AboutDialog set on top.
GUI: add toolbar with items, add comment string to AboutDialog.
GUI: add Gtk.TreeView, Gtk.ListStore.
GUI: add param 'dir_from'.
GUI: add func 'reload_ip_from_dir'.
GUI: place 'Gtk.TreeView' into 'Gtk.ScrolledWindow'.
GUI: comment debug print.
Merge branch 'gui'