Made the CaptureCache cache pattern implement EventManagerAwareInterface. Also made set() trigger a set.post event which makes it possible for the user to know what the saved file name is.
Revert "Made the CaptureCache cache pattern implement EventManagerAwareInterface. Also made set() trigger a set.post event which makes it possible for the user to know what the saved file name is."

This reverts commit 9d415eab2ea0c6b0690c5fecf76d82c55c13d767.
New public method getFilename() and supporting unit tests.
Prepend $publicDir to getFilename()
Add unit tests to CaptureCachePattern for getFilename()
Buffered $_SERVER superglobal on unit testsBuffered $_SERVER superglobal on unit testsBuffered $_SERVER superglobal on unit testsBuffered $_SERVER superglobal on unit testsBuffered $_SERVER superglobal on unit testsBuffered $_SERVER superglobal on unit testsBuffered $_SERVER superglobal on unit testsBuffered $_SERVER superglobal on unit tests
Merge branch 'captureCache' of git://github.com/poisa/zf2 into feature/3747
Merge branch 'feature/3747' into develop

Close #3747