Revert e6321836540b920a191cb8149ef4fa0a00d5e42a project/runsql

Not sure why these changes were lost
Participant-centric session/record access: Volume.session
Session thumbnails; better tabs.
better session list.
Cache any requested frame
filetype icons; session page asset window
Merge branch 'master' of https://github.com/databrary/play
Improve widgets and session list; add data_permission SQL function
Merge branch 'master' of github:databrary/play
Fix thumb queries
Fix volume thumb permissions checks
Fix SlotAsset.duration for clipped assets
No, actually fix SlotAsset.position

Also add to asset view page so I can see them
Allow retrieval of last frame, for better or worse
Include funded studies in party list

Could probably be styled better.
Test assembla-170
Add Volume.recordSlots function

Update slotList (unused?) as an example
Include slotless-records in Volume.recordSlot and vice-versa
Use single top-level transcoded directory for output
record table; private session expander
Merge branch 'master' of https://github.com/databrary/play