PHRAS-4148 release 4.1.18 #1221

Job	Run time
build phraseanet-nginx / build	2m 52s
build phraseanet-fpm / build	3m 42s
build phraseanet-elasticsearch / build	23s
build phraseanet-setup / build	4m 24s
build phraseanet-worker / build	3m 46s
build phraseanet-db / build	29s
unit test	5m 34s
	21m 10s

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