Decorate FileListHandler PUT method with verify_payload_exists

Add avatars to notes when requested

Add info_exists key to file results, fix count bug when switching between files and containers

Modify input for access log report

Fix UID upload to new project with same UID bug 

Test that suggest endpoint returns containers

Fix loading of analyses in gear suggest endpoint

Add endpoints for file object and info key editing

New flag to propagate group perm changes

Add parent back to file whitelist, add project and collection as return types

Tests added to show download filters working