Updated timezone database to 2008i, closes #831
added timezone file forgotten in cc4cf530514b3f666d2f61ad3119ac4cdc0ab540, closes #831
merge e720f8d3440c52eca507b36e6bc866f4d62a4903 to 8958cb3bbebb5e9e2452998b8f97e92a22aff78d (from 0.11)