PHRAS-3935 : phraseanet_local_id became instance_id #425

Job	Run time
build phraseanet-fpm / build	4m 49s
build phraseanet-nginx / build	3m 44s
build phraseanet-db / build	38s
build phraseanet-elasticsearch / build	36s
build phraseanet-setup / build	3m 50s
build phraseanet-worker / build	4m 41s
unit test	11m 31s
	29m 49s

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