teste jean
Merge branch 'master' of https://github.com/zendframework/zf2
Merge branch 'master' of https://github.com/zendframework/zf2
bug fix and respective test case for empty string on RowAbstract constructor
removed system automatically created files
removed self created php info
Merge branch 'hotfix/6250'

Close #6250
Merge pull request #6335 from jeanCarloMachado/fix-row-gateway

Fix and test case for: RowGateway primary key not null constraint do not fail with empty string
[#6335] CS fixes

- Removed unused/unnecessary method from test case
- Added import statements
- Added whitespace
- Modified test to use setExpectedException() instead of try/catch
Merge branch 'hotfix/6335'

Close #6335
Merge branch 'hotfix/6335' into develop

Forward port #6335
check if name already unsed

we only care that the name has a position, not what is is, so don't waste resources looking it up
need to account for null values

isset will return false if value is null which is not what we want. `array_key_exists` will still be faster than `array_search`
Merge branch 'hotfix/6541' into develop

Forward port #6541