Fixed whitespace part of bug #64874 ("json_decode handles whitespace and case-sensitivity incorrectly")
Better test: Check combined leading/trailing
Merge branch 'PHP-5.4' into JSONWhitespaceFix
UPGRADING and NEWS
Merge remote-tracking branch 'ajf/JSONWhitespaceFix' into PHP-5.4
Update NEWS and remove the unnecessary UPGRADING note.
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Update NEWS and remove the unnecessary UPGRADING note.
  UPGRADING and NEWS
  Better test: Check combined leading/trailing
  Fixed whitespace part of bug #64874 ("json_decode handles whitespace and case-sensitivity incorrectly")