Keys and links are multiple
Add default settings for keys and links ES mappings.
Ensure logging does not throw error
Index possible paths
Use non-trailing slash in list of possible paths
ES caching tween (adapted from Nikhil's implementation)
Pages from elasticsearch.
Merge remote-tracking branch 'origin/master' into pages-from-elasticsearch
Whoops, circular import.
Avoid redirect loop for home page
Set collection_datastore=elasticsearch for indexing / bdd tests as intended.
Update test_accession.ini to match production.ini
Fixup es_tween settings
Remove etags, not necessary with pages from elasticsearch.
Handle canonical redirect when canonical path does not end with slash.
Merge remote-tracking branch 'origin/master' into pages-from-elasticsearch

Conflicts:
	src/encoded/tests/test_indexing.py
Update database counts now that etags have been removed.
Merge pull request #264 from ENCODE-DCC/pages-from-elasticsearch

Pages from elasticsearch