Add additional data update to release-process.md
Add additional data update to release-process.md

This adds https://github.com/bitcoin/bitcoin.org/pull/270 to the to-do
list for each release, avoiding future situations like
https://bitcointalk.org/index.php?topic=336042.0.

Crowndev/crowncoin,syscoin/syscoin,Infernoman/crowncoin,domob1812/crowncoin,Crowndev/crowncoin,Crowndev/crowncoin,Crowndev/crowncoin,syscoin/syscoin,Infernoman/crowncoin,domob1812/crowncoin,domob1812/crowncoin,Infernoman/crowncoin,Crowndev/crowncoin,Crowndev/crowncoin,domob1812/crowncoin,syscoin/syscoin,syscoin/syscoin,domob1812/crowncoin,domob1812/crowncoin,syscoin/syscoin,Infernoman/crowncoin,syscoin/syscoin,syscoin/syscoin,Infernoman/crowncoin,syscoin/syscoin,Infernoman/crowncoin