preparing the 3.17.0-GA release

git-svn-id: http://anonsvn.jboss.org/repos/javassist/trunk@671 30ef5769-5b8d-40dd-aea6-55b5d6557bb3

Readme.html

@@ -284,7 +284,7 @@ see javassist.Dump.
 <p>-version 3.17
 <ul>
 	<li>OSGi bundle info is now included in the jar file.
-	<li>JIRA JASSIST-160, 163, 166, 168, 170, 171 have been fixed.
+	<li>JIRA JASSIST-160, 163, 166, 168, 170, 171, 174 have been fixed.
 </ul>
 
 <p>-version 3.16.1 on March 6, 2012