add kinesphere and people count lanes to swimlane
requested to merge 1740-use-pose-estimation-data-3d-to-calculate-and-visualise-movement-data-in-swimlane into feature-staging
add two kinesphere lanes: one displaying all tracking ids, one showing kinesphere data for the selected boundingBox/person
also add people count lane
also fixes #1861 (closed) as a byproduct of changes
closes #1861 (closed) closes #1874 closes #1707 (closed)
Edited by Mittermeier, Maximilian