XWIKI-3464: Introduce DocumentModelBridge::setTitle() method

* Done, there was no need to implement the method in XWikiDocument because it was already there.
* Accidentally comitted on 1.8 branch first, merging... (rev. 18065)

git-svn-id: https://svn.xwiki.org/svnroot/xwiki/platform/core/trunk@18066 f329d543-caf0-0310-9063-dda96c69346f

xwiki-bridge/src/main/java/org/xwiki/bridge/DocumentModelBridge.java

@@ -36,6 +36,13 @@ public interface DocumentModelBridge
      */
     void setParent(DocumentName parentName);
     
+    /**
+     * Sets the title of this document.
+     * 
+     * @param title the title to be set.
+     */
+    void setTitle(String title);
+    
     /**
      * Retrieve the full name of the document, in the <code>Space.Name</code> format, for example <tt>Main.WebHome</tt>.
      *