Merge branch 'PHP-5.6' into PHP-7.0

diff --cc NEWS
index 96e6bc20c25eb6c1c1a4e49725151df662270f64,420bf36107e9a94bc8e621ab1c4734c3b8afdfad..cf13e4ad8d61b23262aed32b9db625c5b877127f
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -1438,43 -766,6 +1438,45 @@@ PH
    . Fixed bug #70385 (Buffer over-read in exif_read_data with TIFF IFD tag byte
      value of 32 bytes). (Stas)
  
 +- Fileinfo:
 +  . Fixed bug #66242 (libmagic: don't assume char is signed). (ArdB)
 +
 +- Filter:
 +  . New FILTER_VALIDATE_DOMAIN and better RFC conformance for FILTER_VALIDATE_URL. (Kevin Dunglas)
++  . Fixed bug #67167 (Wrong return value from FILTER_VALIDATE_BOOLEAN,
++    FILTER_NULL_ON_FAILURE). (levim)
 +
 +- FPM:
 +  . Fixed bug #70538 ("php-fpm -i" crashes). (rainer dot jung at
 +    kippdata dot de)
 +  . Fixed bug #70279 (HTTP Authorization Header is sometimes passed to newer
 +    reqeusts). (Laruence)
 +  . Fixed bug #68945 (Unknown admin values segfault pools). (Laruence)
 +  . Fixed bug #65933 (Cannot specify config lines longer than 1024 bytes). (Chris Wright)
 +  . Implemented FR #67106 (Split main fpm config). (Elan Ruusamäe, Remi)
 +
 +- FTP:
 +  . Fixed bug #69082 (FTPS support on Windows). (Anatol) 
 +
 +- GD:
 +  . Fixed bug #53156 (imagerectangle problem with point ordering). (cmb)
 +  . Fixed bug #66387 (Stack overflow with imagefilltoborder). (CVE-2015-8874)
 +    (cmb)
 +  . Fixed bug #70102 (imagecreatefromwebm() shifts colors). (cmb)
 +  . Fixed bug #66590 (imagewebp() doesn't pad to even length). (cmb)
 +  . Fixed bug #66882 (imagerotate by -90 degrees truncates image by 1px). (cmb)
 +  . Fixed bug #70064 (imagescale(..., IMG_BICUBIC) leaks memory). (cmb)
 +  . Fixed bug #69024 (imagescale segfault with palette based image). (cmb)
 +  . Fixed bug #53154 (Zero-height rectangle has whiskers). (cmb)
 +  . Fixed bug #67447 (imagecrop() add a black line when cropping). (cmb)
 +  . Fixed bug #68714 (copy 'n paste error). (cmb)
 +  . Fixed bug #66339 (PHP segfaults in imagexbm). (cmb)
 +  . Fixed bug #70047 (gd_info() doesn't report WebP support). (cmb)
 +  . Replace libvpx with libwebp for bundled libgd. (cmb, Anatol)
 +  . Fixed bug #61221 (imagegammacorrect function loses alpha channel). (cmb)
 +  . Made fontFetch's path parser thread-safe. (Sara)
 +  . Removed T1Lib support. (Kalle)
 +
  - GMP:
    . Fixed bug #70284 (Use after free vulnerability in unserialize() with GMP).
      (stas)