FYI: Fixed the annotation equals/hashCode

[adrian.brock]

I found a bug in the annotation's equals/hashcode processing.

It wasn't following the spec so you couldn't compare them with JDK annotations
or use them in the same collections.

I've fixed it in javassist head.

Related:
http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4008928#4008928