Update OSVDF refs for servu module.

* Added osvdb ref to servu module.
* Fixed rhino entry in osvdb, removed comment from module.

Squashed commit of the following:

commit 80ce65253f51e07a0bcb8900402a1b3d59eaeaa1
Author: Steve Tornio <swtornio@gmail.com>
Date:   Fri Dec 2 07:44:28 2011 -0600

    add osvdb ref

commit 558f20d84dd705b57b7f807a5ea3815e17b6f9f5
Author: Steve Tornio <swtornio@gmail.com>
Date:   Wed Nov 30 08:15:20 2011 -0600

    fixed in osvdb

[Closes #39]

modules/exploits/multi/browser/java_rhino.rb

@@ -34,7 +34,7 @@ class Metasploit3 < Msf::Exploit::Remote
 			'References'    =>
 				[
 					[ 'CVE', '2011-3544' ],
-					[ 'OSVDB', '76500' ], # 76500 and 76499 have contents mixed
+					[ 'OSVDB', '76500' ],
 					[ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-11-305/' ],
 					[ 'URL', 'http://schierlm.users.sourceforge.net/CVE-2011-3544.html' ],
 				],

modules/exploits/windows/ftp/servu_chmod.rb

@@ -33,6 +33,7 @@ class Metasploit3 < Msf::Exploit::Remote
 			'References'     =>
 				[
 					[ 'CVE', '2004-2111'],
+					[ 'OSVDB', '3713'],
 					[ 'BID', '9483'],
 				],
 			'Privileged'     => true,