3637: add copy selected items functionality to project selection dropdown.
Merge branch 'master' into 3637-copy-selections
3637: refactor code for better maintenance.
Merge branch 'master' into 3637-copy-selections
3637: remove "Copy selections" and "Move selections" options from clippy in topnav.
3637: fix test now that "Copy selections" and "Move selections" options are no longer available in clippy.
3637: undo some of the changes to absorb Tom's updates to chooser implementation
Merge branch 'master' into 3637-copy-selections

Conflicts:
	apps/workbench/app/views/application/_choose.js.erb
	apps/workbench/config/routes.rb
3637: copy selected items
3637: add integration tests for "copy", "move", and "remove" operations from the project selection dropdown.
3637: remove unwanted tab chars
Merge branch 'master' into 3637-copy-selections
3637: add one more test that verifies that the copy action is disabled when a subproject under a project is selected.
closes #3637
Merge branch '3637-copy-selections'