8. Changes

• tip for masqueraded machines
• again some typos and language faults.
• add example script.
• corrected formula.
• fixed some typos.
• added a generic formula to calculate classes rates.
• explanation of the qdisc line.
• patching not needed with 2.4.16.
• added Changelog ;)
• correction of kernel options.
• added diffserv url.
• license changed to FDL.