Update NEWS
Enable $ replacement in exif, ldap, pdo_pgsql and tidy
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Enable $ replacement in exif, ldap, pdo_pgsql and tidy
  Update NEWS
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Enable $ replacement in exif, ldap, pdo_pgsql and tidy
  Update NEWS