Moving ProjectManager to sub-namespace
Moving ProjectRepositoryInterface to a sub-namespace
Fixing service definition for issue attachment manager
Fixing @package phpdoc for ProjectRepositoryInterface
Moving AttributeManager to a sub-namespace
Fixing mock builders for project related managers and repositories
Moving AttributeRepositoryInterface to a sub-namespace
Moving ChoiceAttributeChoiceRepositoryInterface to a sub-namespace
Removing unnecessary use of FQCN
Removing unnecessary use of FQCN
Merge pull request #171 from tickit-project/feature/cleaner-namespacing

Project repositories and managers sub-namespaces