add builtin translation builder

src/main/java/de/marhali/easyi18n/model/Translation.java

@@ -12,6 +12,16 @@ public class Translation extends HashMap<String, String> {
         super();
     }
 
+    public Translation(String locale, String content) {
+        this();
+        super.put(locale, content);
+    }
+
+    public Translation add(String locale, String content) {
+        super.put(locale, content);
+        return this;
+    }
+
     @Override
     public String toString() {
         return super.toString();

src/main/java/de/marhali/easyi18n/util/TranslationBuilder.java

@@ -1,30 +0,0 @@
-package de.marhali.easyi18n.util;
-
-import de.marhali.easyi18n.model.Translation;
-
-/**
- * Translation builder utility.
- * @author marhali
- */
-public class TranslationBuilder {
-
-    private Translation translation;
-
-    public TranslationBuilder() {
-        this.translation = new Translation();
-    }
-
-    public TranslationBuilder(String locale, String content) {
-        this();
-        this.translation.put(locale, content);
-    }
-
-    public TranslationBuilder add(String locale, String content) {
-        this.translation.put(locale, content);
-        return this;
-    }
-
-    public Translation build() {
-        return this.translation;
-    }
-}