Disable wordpress crons

Summary: See inline comments.

Reviewed By: @ptarjan

Differential Revision: D1550868
Various test fixes in zend/dom

Summary: Import various files used by dom tests
Add hhvm.libxml.ext_entity_whitelist to ini

These are all used in tests. None of them turn good after this unfortunately.
Closes https://github.com/facebook/hhvm/pull/3732

Reviewed By: @sgolemon

Differential Revision: D1550349
Adds arch dependent include dir to LIBMAGICK(CORE|WAND)_INCLUDE_DIRS

Summary: The last version uploaded in debian has some arch dependent include dirs.
Without them, the compilation fails with a message like:

 fatal error: magick/magick-baseconfig.h: No such file or directory

See:
 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=747907
 http://www.cmake.org/Bug/view.php?id=15007
Closes https://github.com/facebook/hhvm/pull/3735

Reviewed By: @sgolemon

Differential Revision: D1551212