CP-706: use iso8601-like string format in debug and audit logs
CP-706: use iso8601-like string format in debug and audit logs

Signed-off-by: Marcus Granado <376d5baee5c4fa16573fd56e7ac3b2e27505de87@eu.citrix.com>

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