move thanks page to main site

docs/content/Thanks.md

----
-layout: doc_page
----
-
-YourKit supports the Druid open source projects with its
-full-featured Java Profiler.
-YourKit, LLC is the creator of innovative and intelligent tools for profiling
-Java and .NET applications. Take a look at YourKit's software products:
-<a href="http://www.yourkit.com/java/profiler/index.jsp">YourKit Java
-Profiler</a> and
-<a href="http://www.yourkit.com/.net/profiler/index.jsp">YourKit .NET
-Profiler</a>.

docs/content/toc.textile

@@ -93,4 +93,4 @@ h2. Development
 * "Libraries":./Libraries.html
 
 h2. Misc
-* "Thanks":./Thanks.html
+* "Thanks":/thanks.html