[$] Some 6.16 development statistics

The 6.16 development cycle was another busy one, with 14,639 non-mergechangesets pulled into the mainline - just 18commits short of thetotal for 6.15. The 6.16 release happenedon July27, as expected. Also as expected, LWN has put together itstraditional look at where the code for this release came from.