Remove private variables from AbstractControllerTestCase.
PR #4588 merged to master
Merge branch 'rodsouto-issue_4583'
PR #4553
Merge branch 'patch-3' of git://github.com/spiffyjr/zf2 into spiffyjr-patch-3
Forward #4553 to develop
Merge branch 'spiffyjr-patch-3' into develop