Patches to solidos not ready to be merged
- source-pane using new eTag SolidOS/source-pane#27
- solid-panes:
- suppressing errors
- loading form pane
- not registering some panes
- suppressing limit on number of instances for table view
- fetch form if not loaded SolidOS/solid-panes#322
- solid-ui:
- messageTable formatting tweaks
- ui:Multiple uses ui:category to specify rdf:type https://github.com/solid/solid-ui/issues/460
- deduplicate forms returned by formsFor (defined by multiple different graphs)