Merge branch 'develop' into qt5_port

.gitignore

CHANGELOG.txt

CMakeLists.txt

actions/CMakeLists.txt

actions/ost-compare-structures

cmake_support/OST.cmake

doc/conf/conf.py

docker/Dockerfile

docker/README.rst

docker/run_docker_ost

docker/test_docker.py

doxygen/Doxyfile

modules/base/src/test_utils/compare_files.cc

modules/bindings/doc/hhblits.rst

modules/bindings/pymod/clustalw.py

modules/bindings/pymod/hhblits.py

modules/bindings/pymod/utils.py

modules/bindings/tests/test_clustalw.py

modules/bindings/tests/test_hhblits.py

modules/config/base.hh