Make passing inames + private temporaries work.

loopy/codegen/control.py

loopy/codegen/result.py

loopy/kernel/data.py

loopy/schedule/__init__.py

loopy/schedule/device_mapping.py

loopy/target/c/__init__.py

loopy/target/cuda.py

loopy/target/ispc.py

loopy/target/opencl.py

loopy/target/pyopencl.py

test/test_loopy.py