* Add unit test used to read data from WSEGLINK
* Add segment branch type
* Add detection of device branches
* Add data source stepping on branch type
* parse wseglink data
* add RFT case as child of RimFileSummaryCase
HDF5 must be compiled with special options to support multithreading. Disable file object multithreading for HDF5. Some vector types are not supported, as the support in opm-common reader is not complete (region, region_to_region, ...).