Remove alpha mentioned in the releasenote

all/src/main/templates/release-notes.html

@@ -65,7 +65,7 @@
                 a number of new features and bug fixes, as listed in the <a
                 href="#enhancements">list of enhancements</a> and <a
                 href="#changelog">change log</a> below.
-		The API in this alpha version is not considered final and may change based on your feedback.
+		The API in this beta version is not considered final and may change based on your feedback.
 	</p>
 
         <!-- ================================================================ -->