Add recent releases of TZDB updates to version history.
Add recent releases of TZDB updates to version history.

BenJenkinson/nodatime,malcolmr/nodatime,malcolmr/nodatime,BenJenkinson/nodatime,malcolmr/nodatime,jskeet/nodatime,malcolmr/nodatime,nodatime/nodatime,jskeet/nodatime,nodatime/nodatime