Merge branch 'hotfix/3237'

Close #3237
Merge branch 'hotfix/3237' into develop

Forward port #3237
Merge branch 'master' of git://github.com/neilime/zf2 into hotfix/3238
[#3238] CS fixes

- eof_ending
Merge branch 'hotfix/3238'

Close #3238
Merge branch 'hotfix/3238' into develop

Forward port #3238
Merge remote-tracking branch 'upstream/develop' into develop
Fix namespace with new sendresponselistener
Merge branch 'hotfix/3247' into develop

Close #3247
Fix (un)subscribe operation. The http (un)subscription request was never sent to the hub
FileInputTest mock fix; File PRG fix
File Filter unit test coverage for FILES array
fixed license tag generation
Merge branch 'hotfix/zend-form-allow-input-filter-preference' of git://github.com/mwillbanks/zf2 into feature/form-merge-specs
Merge branch 'feature/form-merge-specs' into develop

Close #3218
Merge branch 'fix/file-upload-filtering' of git://github.com/cgmartin/zf2 into hotfix/3246
Merge branch 'hotfix/3246' into develop

Close #3246
Merge branch 'hotfix/3248'

Close #3248
Merge branch 'hotfix/3248' into develop

Forward port #3248
Merge branch '#2912' of git://github.com/robertboloc/zf2 into hotfix/3250