add Italian to language list -- missing for some reason

Author: NSoiffer

addon/globalPlugins/MathCAT/MathCATPreferences.py

@@ -150,6 +150,7 @@ def LanguagesDict():
             "ik": "Iñupiak",
             "io": "Ido",
             "is": "Íslenska",
+            "it": "Italiano",
             "iu": "ᐃᓄᒃᑎᑐᑦ",
             "ja": "日本語",
             "jv": "Basa Jawa",