Merge pull request doctrine#634 from TomHAnderson/hotfix/zend-form

PHP 7.2 fixes in zend-form 2.11 must be minimum to pass unit tests

Merge pull request doctrine#633 from TomHAnderson/hotfix/unique-object

Revert to array_key_exists instead of isset

Merge pull request doctrine#631 from MatthiasKuehneEllerhold/zend-con…

…sole-dev

Move zend-mvc-console back to require-dev

Upgrade notes for 2.1

Merge pull request doctrine#620 from TomHAnderson/hotfix/phpunit6-scr…

…utinizer

Scrutinizer patches for phpunit6 PR

Release 1.2.0

- ZF3 compatibility (doctrine#567)
- Expose to `zend-component-installer` as module `DoctrineModule` (doctrine#570)
- ZF3 Composer dependencies - hotfix (doctrine#571)
- Command line tools improvements (doctrine#572)
- Add missing Doctrine APCu Cache (PHP7) (doctrine#569)
- Changed isset for array_key_exists in context check (doctrine#568)
- Hydrator ignores private/protected getter/setter (doctrine#560)

Release 1.2.0

- fixed require-dev dependancies (doctrine#557)

- Update hydrator.md (doctrine#561)
- [git] Add .gitattributes to remove unneeded files (doctrine#559)
- refactored factories for SM v3 (doctrine#558)

Drop PHP 5.4

update doctrine/common ~2.6
TravisCi build with PHP 7

* Drop compatibility with PHP 5.4

* Update doctrine/common ~2.6