Update links to dependencies.
Fix unit tests due to added mode item.
RELEASE 0.23
Fix wiki documentation markup.
Use a floating label instead of a statusbar.

Use a floating label also in the search dialog instead of using the main
window.

Get rid of a some of the most insignificant status messages.
Right-align text labels in dialogs with no hierarchies.

https://wiki.gnome.org/Design/HIG/Layout
Use inline toolbars in the preferences dialog.

https://wiki.gnome.org/Design/HIG/InlineToolbars
Update regular expression help URL.
Hide the statuslabel immediately after any user input.
Don't use selected fonts on font buttons.
Apply GNOME Goal: Add keywords to application desktop files.

https://wiki.gnome.org/GnomeGoals/DesktopFileKeywords
Add Galician translation