You can extend the functionality of Wiki control and change the edit tab by implementing a texbox near the wiki title. Then you need to have a custom control that derives from wiki and there you have to override SaveContent() method.
//DO NOT CALL THE BASE
WikiSingleItemContainer container =
Guid contentId = Guid.Empty;
Note that if you have any links that point to this wiki they will not updated.
For the "CreateWiki" the link button have to be visible if AllowCreateWiki property of WikiAdmin control is set to true. The property is located under Wiki category.
You can fix the type in the following resx file
I fixed the spelling error in our source and updated your Telerik points.I hope this helps.
the Telerik team