Get rid of warnings when accessing static members with an instance reference (fixes #18).
Replace deprecated Gtk.Table with Gtk.Grid (fixes #19).
Replace workaround gtk_file_filter_set_name with set_filter_name (fixes #15).
Gtk.TreeStore's remove() now requires a 'ref' argument since Vala 0.17.2 (fixes #17).
 Replace deprecated Gtk.Table with Gtk.Grid (fixes #19).
 Get rid of warnings when accessing static members with an instance reference (fixes #18).
Merge with refactor
Sync with upstream
Re-enable unused methods
Update files authors
Merge pull request #21 from fdelapena/master

Fixes for Vala 0.18 and warning cleanup. Drop set_filter_name 0.14 workaround.