Deleting obsolete widgets. (#229)
Trace Sketch now has a viewport size and a room size parameter. (#229)

This allows us to scale it down and correctly transform coordinates.
Using sessions sketch for sessions page. (#229)
Speeding up retrieving of session measurements by using Redis Pipeline. (#229)
Now that API for retrieving sessions works faster, we're polling it more often. (#229)
Removing unused import. (#229)
Fetching only measurements newer than 30s. (#229)
Displaying the number of sessions. (#229)

This is accurate because we're not fetching measurements older than
30s, so there is no need for client-side filtering.
Stop drawing borders around the circles. Lines between circles are drawn in the same colour. (#229)
Merge pull request #229 from aismail/f/#229-sync-raw-sessions-with-room-position

Raw Sessions and Room Positions aren't really synced