[ipcamera] Fix ipcamera.jpg can return an old picture#11300

Merged

wborn merged 11 commits intoopenhab:mainfrom Skinah:ipcamera

Oct 10, 2021

+136-73

Commits on Sep 23, 2021

Bug fixes
Skinah
committed

Commits on Sep 25, 2021

Fix ipcamera.jpg can be old after polling stopped.
Skinah
committed

Commits on Sep 26, 2021

fix channel tracker used wrongly
Skinah
committed

Commits on Sep 27, 2021

unregister servlet when cameras go offline.
Skinah
committed

Commits on Sep 30, 2021

Better cleanup when pausing camera things.
Skinah
committed

Commits on Oct 4, 2021

Reduce open file descriptors
Skinah
committed