fix HeadLink docblock method declaration hints
Fix E_DEPRECATED message
Edit test suit about deprecated using of safe option
Added posibility to render view with short reference.

It makes add rendering view the same as php include file which contains
in the same folder.
Add docblock. Made access to protected.
Added tests
Fix double registration of a complex type

Zend\Soap\Wsdl\ComplexTypeStrategy\DefaultComplexType::addComplexType()
stores already added classes under the methods argument `$type`.

Therefore a class with preceding backslash is treated like another complextype
than the same class without given backslash. As a result the xsd:ComplexType
definition is found twice (with exactly the same name) in the generated wsdl.
Move logic to new RelativeFallbackResolver
Fix misspelling
Add docblock param to constructor
Remade resolver to clear fallback and using it coupling with AggragateResolver
Refactor by removing 1 check.
Removed unnecessary assignment. FallbackResolver wraps entire AggragateResolver.
Fixes #6188
added missing full stop
Merge branch 'hotfix/6033'

Close #6033
Fix infinite recursion. Revert to wrap evry resolver.
Update StringTrim to allow '0' as charlist

Update Zend\Filter\StringTrim to allow '0' as charlist
Add Test for empty charlist in StringTrim
Add fail test case