Resolve L2SS-1093, L2SS-1102 Extend Hdf5 file header/add documentation to describe HDF file structure

Closes L2SS-1093

See merge request !35

Resolve L2SS-1093, L2SS-1102 Extend Hdf5 file header/add documentation to describe HDF file structure

Resolve L2SS-1137 "lofar-proxy-connection"

Closes L2SS-1137

See merge request !34

Resolve L2SS-1145 "Fix tox 4 issues"

Closes L2SS-1145

See merge request !33

L2SS-1115: Add generic HDF file writer

Closes L2SS-1115

See merge request !30

L2SS-1050: move statistics-writer from stationcontrol

Closes L2SS-1050

See merge request !29

Have MultiStationObservation return the station-specific results of start() and stop()

See merge request !31

L2SS-1128 fixed observation device bug

Closes L2SS-1128

See merge request !28

This reverts commit f36bfe89.

Resolve L2SS-1126 "Stationfutures references in incorrect places"

Closes L2SS-1126

See merge request !26

L2SS-1114: Add some improvements in how to use the HDF file reader

Closes L2SS-1114

See merge request !25

Resolve L2SS-826 "Create central observation controller"

Closes L2SS-826

See merge request !22