L2SS-231: add a device with 20 attributes that generate random numnbers on read

Closes L2SS-231

See merge request !47

L2SS-192: Provide interface for raw header fields, add example packet (needs...

Closes L2SS-192

See merge request !45

L2SS-192: reserved_0 -> reserved to not be overly defensive. if there are multiple reserved fields in the future, we'll deal with that by then.

L2SS-228: Fix mount path for the host's tango repo dir to /opt/lofar2.0/tango/

Closes L2SS-228

See merge request !44

L2SS-170:  First stab at an LTS cold start script

See merge request !22

L2SS-192: Provide interface for raw header fields, add example packet (needs to be a better one, but this is all we have for now)

L2SS-192: Provide interface for raw header fields, add example packet (needs to be a better one, but this is all we have for now)

L2SS-227:  Make tangonet the default for Docker

Closes L2SS-227

See merge request !42

L2SS-124  Fix the bug in lofar20rc.sh

Closes L2SS-124

See merge request !37

Resolve L2SS-182 "Sdp sst pointname updates"

Closes L2SS-182

See merge request !36

L2SS-226 This syncs the Tango DB entries with the PCC attributes

Closes L2SS-226

See merge request !38

Resolve L2SS-176 "Expose git version"

Closes L2SS-176

See merge request !35

The script can now locate itself and set LOFAR20_DIR accordingly.
This allows for multiple installations in parallel.

Resolve L2SS-216 "2021 05 17 branched from master sdp hotfix"

Closes L2SS-216

See merge request !32