fix quotes style
Fix #1116: Several method existence checks don't deal with visibility
CHANGELOG update, refs #1116
Fix #1119: AgaviTimeZoneDataParser doesn't support - as a time value
Updated timezone database to 2009u, closes #1118
merge b4d608415c0cd51fa46db3fbcfadef0a789dfd00 to a0408335c9827ff38bab716ed48574724fbbc014 (from 1.0)