Updates, including Node 0.8

Upgraded ..

• Node.js on velvet to 0.8.4
• BaseX on velvet to 7.4 beta
• RAIDiator on readynas to  4.1.9  (required add index.xml to /etc/frontview/apache/httpd.conf
• RAIDiator on velvet to 4.2.21 

XQuery http session modules

 A list..

• 28msec advanced-sessions
• eXist-db session
• Marklogic AppServerBuiltins session
• BaseX Request

At the Java level