message: expand arrays of images
diff: @@ -211,7 +211,7 @@ $(build-elasticimages): build/commons
  touch $@
  base-images-with-versions += $(elasticimages)
  -s3-images += elasticimages
  +s3-images += $(elasticimages)
  build/elasticsearch__6 build/elasticsearch__7 build/elasticsearch__7.1 build/kibana__6 build/kibana__7 build/kibana__7.1 build/logstash__6 build/logstash__7: images/commons
  @@ -240,7 +240,7 @@ $(build-pythonimages): build/commons
  touch $@
  base-images-with-versions += $(pythonimages)
  -s3-images += python
  +s3-images += $(pythonimages)
  build/python__2.7 build/python__3.7: images/commons
  build/python__2.7-ckan: build/python__2.7
  @@ -291,7 +291,7 @@ $(build-phpimages): build/commons
  touch $@
  base-images-with-versions += $(phpimages)
  -s3-images += php
  +s3-images += $(phpimages)
  build/php__5.6-fpm build/php__7.0-fpm build/php__7.1-fpm build/php__7.2-fpm build/php__7.3-fpm: images/commons
  build/php__5.6-cli: build/php__5.6-fpm
  @@ -335,7 +335,7 @@ $(build-solrimages): build/commons
  touch $@
  base-images-with-versions += $(solrimages)
  -s3-images += solr
  +s3-images += $(solrimages)
  build/solr__5.5 build/solr__6.6 build/solr__7.5: images/commons
  build/solr__5.5-drupal: build/solr__5.5
  @@ -376,7 +376,7 @@ $(build-nodeimages): build/commons
  touch $@
  base-images-with-versions += $(nodeimages)
  -s3-images += node
  +s3-images += $(nodeimages)
  build/node__9 build/node__8 build/node__6: images/commons images/node/Dockerfile
  build/node__12-builder: build/node__12 images/node/builder/Dockerfile
  