restrict searches by type; reduce occurence of duplicate results
fix distinct() usage; add authority filter
record identifiers found in io instance
pass request to queryset filter if applicable
faster config loading
faster relationship serialization
better cache key
support multiple folder levels
with_models is no longer used
reset config cache after add_page()
not ready for Django 1.7; test with DRF 1.4
v0.6.2
fix version restriction
Merge branch 'master' into py3k

Conflicts:
	.travis.yml
	contrib/files/util.py
	contrib/search/serializers.py
	patterns/relate/serializers.py