Add Italian and Dutch languages

Author: jordimas

CorrectorSoftcatala/src/main/java/org/softcatala/corrector/LanguageToolRequest.java

@@ -52,6 +52,8 @@ public class LanguageToolRequest {
             {"br", "br-FR"},
             {"eo", "eo"},
             {"ru", "ru-RU"},
+            {"nl", "nl"},
+            {"it", "it"}
     };
     private String m_language;
 

CorrectorSoftcatala/src/main/res/xml/spellchecker.xml

@@ -66,4 +66,12 @@
         android:label="@string/subtype_generic"
         android:subtypeLocale="uk"
         />
+    <subtype
+        android:label="@string/subtype_generic"
+        android:subtypeLocale="it"
+        />
+    <subtype
+        android:label="@string/subtype_generic"
+        android:subtypeLocale="nl"
+        />
 </spell-checker>