swc-1266 delete rows
swc-1266 - add view row to toolbar. rework TableModel to only expose temp ids via the provider interface
swc-1308 - quote column names
fix id of table model
initial objects for filehandle upload and download
swc-1260 - file handle column integration
img
preview image adjustments, retry on missing preview
bring back markdown version
merge upstream
Merge pull request #943 from dburdick/swc-1069

Swc 1069