Revert "Merge branch 'hotfix/1016'"

This reverts commit 8de79bd95055248aff1bce9d07e2e6e3a3fa8b98, reversing
changes made to bd42cd612efa62520ac2d54a5517e40fed64070c.
Fixed example `Generating a formatted HTTP Request from a Request object`

Putting requests post data into requests content. `$request->toString()` returns now the expected output with post parameters.
[zendframework/zf2#5050] FileInput filter note to explain type key
Updated content structure in Zend\View quick start
Updated content structure in Zend\Barcode\Barcode Objects
Missing line numbers for Zend\Form code examples added
Missing line numbers for Zend\ServiceManager code examples added
Fixed exception path.
Merge pull request #1020 from Slamdunk/file-input-filter

[zendframework/zf2#5050] FileInput filter note to explain type key
Merge branch 'hotfix/1020'

Close #1020
Merge pull request #1021 from froschdesign/fix/content-structure-zend-view

Updated content structure in Zend\View quick start
Merge branch 'hotfix/1021'

Close #1021
Merge pull request #1022 from froschdesign/fix/content-structure-barcode

Updated content structure in Zend\Barcode\Barcode Objects
Merge branch 'hotfix/1022'

Close #1022
Merge pull request #1023 from froschdesign/fix/zend-form-linenumbers

Missing line numbers for Zend\Form code examples added
Merge branch 'hotfix/1023'

Close #1023
Merge pull request #1024 from froschdesign/fix/zend-servicemanager-linenumbers

Missing line numbers for Zend\ServiceManager code examples added
Merge branch 'hotfix/1024'

Close #1024
Merge pull request #1025 from dotlabel-chris/patch-1

Fixed exception path.
Merge branch 'hotfix/1025'

Close #1025