Merge branch 'release-2.1.0' into master

.gitlab-ci.yml

CHANGELOG.txt

CMakeLists.txt

cmake_support/CheckLSBTypes.cmake

cmake_support/OST.cmake

doc/make.py

docker/Dockerfile

modules/bindings/doc/hhblits.rst

modules/bindings/pymod/CMakeLists.txt

modules/bindings/pymod/__init__.py

modules/bindings/pymod/cadscore.py

modules/bindings/pymod/hhblits.py

modules/bindings/pymod/hhblits2.py

modules/bindings/pymod/hhblits3.py

modules/bindings/tests/test_hhblits.py

modules/bindings/tests/testfiles/hhblitsdb/hhblitsdb.cs219

.../bindings/tests/testfiles/hhblitsdb/hhblitsdb.cs219.sizes

modules/bindings/tests/testfiles/hhblitsdb/hhblitsdb_a3m_db

...bindings/tests/testfiles/hhblitsdb/hhblitsdb_a3m_db.index

...gs/tests/testfiles/hhblitsdb/hhblitsdb_a3m_db.index.sizes