Merge 'master' into 'new_function_interface'

.gitlab-ci.yml

LICENSE

build-helpers/make-linux-build-docker-inner-part-2.sh

loopy/frontend/fortran/tree.py

loopy/kernel/tools.py

loopy/schedule/__init__.py

loopy/statistics.py

loopy/symbolic.py

loopy/target/cuda.py

loopy/target/pyopencl.py

requirements.txt

setup.cfg

test/test_loopy.py

test/test_numa_diff.py

test/test_reduction.py

test/test_statistics.py

test/test_target.py