TMF-5247: Dismiss/Restore Displays Announcements in Chronological Order by Creation Date
TMF-5330: Indexing a multi doc uploaded document removes value from Doc Owner
This change ensures that the Document Owner Group field receives options that are study specific.
renamed variable for clarity.
erroneous rename of variable.
TMF-5156 Drag and Drop - no error message in Comm header trying to drag folder
Merge remote-tracking branch 'origin/release-2.0' into release-2.1

Conflicts:
	tmf2_web/webapp/js/platform/data/FileUpload.js
	tmf2_web/webapp/js/tmf/sitemap.js
	wspt_platform/src/main/scala/com/wingspan/platform/web/json/LinkPropertySerializer.java
TMF-5991: Implemented DataStore.refresh()
move non-data things out of platform/data in preparation for subtree split