Bug 54567 DateTimeZone serialize/unserialize
Make DateTimeZone serializable and implement __set_state
Fixed the test to use %d instead of an actual number
Made separate tests for each TZ type
Fixed handling of unserializing types 1 and 3
Rebased to PHP-5.4
Implemented Dmitrys change from df97c3aa0d331be668bd5d8f27fff96d4e3ac1d7
Moved the timelib_parse_tz_cor function to ext/date/lib/timelib.c
Added the new .c files as well as they are not automatically regenerated.