Inspect the query and perform eager loading for __include queries.
Inspect the query and perform eager loading for __include queries.
Fix event eager loading and use joined load for __include.
Use joinedload_all for eager __include loading.
Merge remote-tracking branch 'origin/feature/eager-load-include' into feature/eager-load-include

Conflicts:
	src/ggrc/services/attribute_query.py
Merge pull request #190 from reciprocity/feature/eager-load-include

Now with eager load on __include and a fix for eager loading of Events.