Fixed bug #44780: some time zone offsets not recognized by timezone_name_from_abbr.
Merge branch '44780-fallback' into PHP-5.4
Merge branch 'PHP-5.4' into PHP-5.5

Conflicts:
	ext/date/lib/parse_date.c
Merge branch 'PHP-5.5' into PHP-5.6
Merge branch 'PHP-5.6'