Merge branch 'master' of https://gitlab.tiker.net/inducer/loopy

doc/misc.rst

doc/ref_kernel.rst

doc/ref_transform.rst

doc/tutorial.rst

loopy/__init__.py

loopy/auto_test.py

loopy/codegen/__init__.py

loopy/codegen/bounds.py

loopy/codegen/control.py

loopy/codegen/instruction.py

loopy/codegen/loop.py

loopy/codegen/result.py

loopy/diagnostic.py

loopy/execution.py

loopy/expression.py

loopy/isl_helpers.py

loopy/kernel/__init__.py

loopy/kernel/array.py

loopy/kernel/creation.py

loopy/kernel/data.py