man-pages-3.20 is released

I've uploaded man-pages-3.20 into the release directory (or view the online pages). Notable changes in man-pages-3.20 are:

• The addition of cpuid(4) and msr(4) device man pages (thanks to Andi Kleen)
• Numerous fixes to other pages.

Te whare karakia i Onuku, Ōtautahi