Prepare release
Whitelist external entities for HHVM/libxml.

Refs: facebook/hhvm@842d6fb
Simplify whitelisting external entities for HHVM/libxml.
Merge branch '4.1' into 4.2
Merge branch '4.2' into 4.3
Merge branch '4.3'
Package LICENSE files of bundled components in the PHAR for #1390
Merge branch '4.1' into 4.2
Merge branch '4.2' into 4.3
Merge branch '4.3'
Fix #1380: Limit strict error handling in XML::load() to configuration.
Merge pull request #1386 from sun/xml-load-strict

Limit strict error handling in XML::load() to configuration
Merge branch '4.1' into 4.2
Merge branch '4.2' into 4.3
Merge branch '4.3'
Remove obsolete 'include-path' from composer.json.
Merge pull request #1392 from sun/composer-include-path

Remove obsolete 'include-path' from composer.json
Sync with https://github.com/sebastianbergmann/phpunit-mock-objects/commit/1ff75202cbce1e0b6812a39564d0456a7bb3e028
Merge branch '4.3'
Fix @since annotations