Merge branch 'master' of https://gitlab.windenergy.dtu.dk/toolbox/WindEnergyToolbox

wetb/hawc2/htc_contents.py

wetb/hawc2/htc_extensions.py

wetb/hawc2/htc_file.py

wetb/hawc2/shear_file.py

wetb/hawc2/tests/test_files/data/user_shear.dat

wetb/hawc2/tests/test_files/htcfiles/test.htc

wetb/hawc2/tests/test_htc_extensions.py

wetb/hawc2/tests/test_htc_file.py

wetb/hawc2/tests/test_shear_file.py