Lookup by ID for multiple IDs

Conflicts:
	components/tools/OmeroWeb/omeroweb/webclient/views.py
Fix thumbnail selection in shares
Fix 'To' date maxData on 'From' picker double-click
Remove duplicate IDs from search by ID
Hightlight thumbnails when Share loads
Merge pull request #2885 from will-moore/search_rc1_fixes_develop

Search rc1 fixes develop