First pass at Italian localization.
Remove unneeded string from the loading activity view.
Add some string localizations that were missed.
Add support for localization in xibs that require it.
Add support for localizing strings in plists.
Don't expand the fill segment control (to accommodate languages with longer text than English).
Localize default drawing name prefix.
Localize blend mode name.
Add more Italian localizations.
Latest string changes.
More string updates.
Fix issues with page orientation and unit localization.