Remove uselessly overriding show method.
Fix text edit dialog padding.
Check dialog main vbox spacings.
Use set_license_type.
Fix language dialog widget references and padding.
Use set_halign instead of props.xalign.
Remove move tab actions from the menubar.

They still remain in the tab right click menu.
Remove gaupol.util.get_gtkspell_version.
Simplify makedirs use.
Prefer functions over props.
Remove remaining use of stock icons.
Remove language label.
Set search dialog transient for application window.

https://mail.gnome.org/archives/commits-list/2014-May/msg00576.html
Fix dialog paddings etc. for GTK+ 3.14 and HIG 3.