Merge pull request PHP-DI#569 from PHP-DI/567-silence-some-errors-at-…

…compilation

Fix PHP-DI#567 Ignore errors for invalid referenced definitions during compilation

Improve gitstats config

See https://github.com/mnapoli/gitstats

Update the changelog for 5.4.x versions

Update the changelog for 5.4.x versions

Remove HHVM tests

Remove unnecessary line following merging PHP-DI#545

Merge pull request PHP-DI#507 from PHP-DI/compile-factories

Compile factories, including closures

Merge pull request PHP-DI#500 from sagikazarmark/patch-1

Fix typo

Merge pull request PHP-DI#497 from PHP-DI/styleci

Strict types everywhere

Merge pull request PHP-DI#449 from PHP-DI/refactor-object-to-create

Refactor object() to create() and autowire()