fix quotes style
Fix #1205: Several method existence checks don't deal with visibility
CHANGELOG update, refs #1205
Fix #1208: AgaviTimeZoneDataParser doesn't support - as a time value
Updated timezone database to 2009u, closes #1207
merge 97f5e479314f2c87990284685fb2efec33c087fe...455d9b5e4b0ef5a9ec37d87cd27af074593326f5 (from 1.0)