working inplace and out of place transpose operators

hysop/__init__.py

hysop/backend/device/codegen/kernels/transpose.py

hysop/backend/device/kernel_autotuner.py

hysop/backend/device/kernel_autotuner_config.py

hysop/backend/device/opencl/autotunable_kernels/transpose.py

hysop/backend/device/opencl/opencl_autotunable_kernel.py

hysop/backend/device/opencl/opencl_copy.py

hysop/backend/device/opencl/opencl_kernel.py

...p/backend/device/opencl/opencl_kernel_autotuner_config.py

hysop/backend/device/opencl/opencl_kernel_launcher.py

hysop/backend/device/opencl/operator/transpose.py

hysop/core/arrays/array_backend.py

hysop/core/graph/computational_operator.py

hysop/core/graph/node_generator.py

hysop/fields/cartesian_discrete_field.py

hysop/operator/base/transpose_operator.py

hysop/operator/tests/test_transpose.py

hysop/operator/transpose.py

hysop/tools/io_utils.py