Revert "New class Translator\Loader\PhpMemoryArray which loads translations directly from an already existing array as opposed to an array in a php file like \Loader\PhpArray does"

This reverts commit 04e28ef989755bd4d7ed068e07364d08dae8afca.
New class Translator\Loader\PhpMemoryArray which loads translations directly from an already existing array as opposed to an array in a php file like \Loader\PhpArray does
It's ok that the ZF2 tests does not pass on PHP 5.6
Avoid function usage in loops
Fixes #3773
remove debug group
Merge commit 'refs/pull/5830/head' of github.com:zendframework/zf2 into hotfix/5830
Merge pull request #5830 branch 'hotfix/5830'
Forward #5830

Conflicts:
	.travis.yml
service locator variable
Update FormAbstractServiceFactory.php
Merge branch 'develop' of github.com:zendframework/zf2 into fieldset-allowed-object-class
Updates/fixes from marc-mabe code review
Revert removed get multiple value internal methods; instead, remove set multiple value internal method
Determine memcache adapter capabilities based on stable or beta version
Merge pull request #5833
Merge pull request #5833 in develop
Merge pull request #5833 in master
Merge pull request #5839. Fix #5788
Merge pull request #5839. Fix #5788 in develop