Fixed type in phpDoc
Normalize console usage
Added explanations in phpDoc return types
Fixed wrong type in phpDoc
Changed 'boolean' to the standard 'bool' in the phpDoc
Merge pull request #4061 from bakura10/normalize-console-usage

Normalize console usage
[#4061] updated comment

- made intent more clear
Merge pull request #4079 from wryck7/fix-zend-mvc

Some fixes for phpDoc in Zend\Mvc