Add missing mock method for xml writer tests
Fix FileAssessmbler test mocking
More fixes for mocking
Merge pull request #962 from tommygnr/fix-tests

Tidying up some tests
Merge branch 'develop' of github.com:phpDocumentor/phpDocumentor2 into develop
Merge branch 'develop' into release-2.0

Conflicts:
	tests/unit/phpDocumentor/Descriptor/Builder/Reflector/FileAssemblerTest.php
	tests/unit/phpDocumentor/Plugin/Core/Transformer/Writer/XmlTest.php
Fix unit tests for phpDocumentor\Console component and replace ProgressHelper