Merge branch '3477134-mothernode-update' into '1.0.x'

...ent/content/file/2395d13d-2b5e-4938-a7cc-28c427085fcc.yml

...ent/content/file/4405cf02-60b3-4aaa-a831-0a5a5e252a9b.yml

...ent/content/file/a8938da0-4b7e-4baa-876c-db67f0a8b25b.yml

...ent/content/file/ba19f474-8d56-4f36-92d4-acd55ea9d733.yml

.../drupalorg_test_content/content/file/blue-like-icon_1.png

...ent/content/file/cf78ec77-9c03-44b2-b7df-40bff7774403.yml

...ent/content/file/da087d6d-35b7-41c3-af0a-aa1c439d9e7b.yml

...upalorg_test_content/content/file/hero-centered-image.png

...lorg_test_content/content/file/princeton-case-study_7.png

...palorg_test_content/content/file/princeton-university.png

...palorg_test_content/content/file/purple-secure-icon_5.png

...palorg_test_content/content/file/yellow-flash-icon_14.png

...nt/content/media/2ecd6afe-1419-47b0-8368-7d27caf62fd5.yml

...nt/content/media/35a40d53-8522-4620-9393-b31052dee8cd.yml

...nt/content/media/a3acb7a6-44a8-48c5-b28e-cefa1eec07e7.yml

...nt/content/media/aba16c70-9036-4fbb-98d5-5a637ce1713e.yml

...nt/content/media/adba6d90-12c8-4cdb-ad3d-a706e4c3f45d.yml

...nt/content/media/e325b6cd-f1e0-4365-8681-f5be68fa9525.yml

...ent/content/node/180f7563-ad26-49ab-9763-fc6b4eae3e0e.yml