Updated several .desktop' and .directory' files with the Italian

translations.

gnome/mime-type/mime-type.desktop

@@ -1,7 +1,9 @@
 [Desktop Entry]
 Name=Mime Types
+Name[it]=Tipi MIME
 Name[no]=Mime typer
 Comment=Configure how files are associated and started.
+Comment[it]=Configura i tipi di files e le applicazioni usate per aprirli
 Comment[no]=Konfigurer hvordan filer er assosiert og startet.
 Exec=mime-type-capplet
 Terminal=0