removed unused local variable
removed unused namespace
removed unused return value
removed unused local variable
removed unused namespace
removed unused return value
Merge remote-tracking branch 'origin/ViewHelperCleanup' into ViewHelperCleanup
Merge commit 'refs/pull/5596/head' of github.com:zendframework/zf2 into hotfix/ViewHelperCleanup
Merge branch 'hotfix/ViewHelperCleanup'