Merge branch 'master' of https://github.com/inducer/loopy into gl-barrier-hacks

doc/_static/akdoc.css

doc/_templates/layout.html

doc/conf.py

doc/ref_transform.rst

doc/tutorial.rst

examples/python/global_barrier_removal.py

examples/python/ispc-stream-harness.py

loopy/__init__.py

loopy/auto_test.py

loopy/check.py

loopy/codegen/__init__.py

loopy/codegen/bounds.py

loopy/codegen/control.py

loopy/codegen/device_mapping.py

loopy/codegen/instruction.py

loopy/codegen/loop.py

loopy/codegen/result.py

loopy/compiled.py

loopy/expression.py

loopy/kernel/__init__.py