L2SS-456: Integration test check missing opcua attributes

Closes L2SS-456

See merge request !203

Resolve L2SS-479 "09 dec 2021 convert pointing to delays"

Closes L2SS-479

See merge request !194

Resolve L2SS-363 "01 12 2021 get rw values from hardware"

Closes L2SS-363

See merge request !197

L2SS-544: Improve LibConfiguration parsing, and return a dict instead of list...

Closes L2SS-544

See merge request !199

L2SS-544: Wrap repeating check to swallow exceptions that indicate we stop/remove an attribute that is not being archived.

L2SS-548: Annotate which attribute is giving errors

Closes L2SS-548

See merge request !201

L2SS-549: Just throw Python exceptions, not directly Tango ones. Keeps the code more uniform, and avoids having to use the more cumbersome PyTango interface

L2SS-534: Remove docker images that require X11 or are otherwise not used to run on a station

Closes L2SS-534

See merge request !200

L2SS-544: Improve LibConfiguration parsing, and return a dict instead of list to avoid needing to use indices to indicate specific values

Merge branch 'master' of https://git.astron.nl/lofar2.0/tango into L2SS-363_01-12-2021-get_RW_values_from_hardware

Resolve L2SS-528 "Timescaledb defaults"

Closes L2SS-528

See merge request !193

L2SS-536: Extend prometheus retention, and keep the monitoring data between container restarts

Closes L2SS-536

See merge request !198

L2SS-532: Spam logs less, reduces disk usage for log cache

Closes L2SS-532

See merge request !195