[rpc-light] Protect the XML strings as xml-light2.
[rpc-light] Protect the XML strings as xml-light2.

xmlrpc converts '>' to '&gt', '<' to '&lt', '"' to '&quot' and do not erase weird characters (need to use a proper unicode validation functions at one point)

Signed-off-by: Thomas Gazagnaire <d17b540e4bd20a6d2c62b93674760725b3f75517@citrix.com>

xapi-project/message-switch,xapi-project/message-switch,djs55/forkexecd,xapi-project/message-switch,johnelse/forkexecd