Wrapper relation methods return a config array instead of relation object, allows more precise handling
Improved compiler for relations
Merge branch 'refs/heads/2.3/develop' into 3.0/develop
Final tweaks to relationship field

Conflicts:
	system/cms/modules/streams_core/field_types/relationship/src/Pyro/FieldType/Relationship.php
	system/cms/modules/streams_core/field_types/relationship/views/data/relationship.js.php