* Change order of PyTorch Inference how-to guides order
* Revise accelerate_pytorch_inference_jit_ipex.ipynb
* Revise accelerat_pytorch_inference_onnx.ipynb
* Revise accelerate_pytorch_inference_openvino.ipynb
* Revise inference_optimizer_optimize.ipynb
* Revise multi_instance_pytorch_inference.ipynb
* Revise pytorch_context_manager.ipynb
* Revise pytorch_save_and_load_ipex.ipynb and other small fixes
* Revise pytorch_save_and_load_jit.ipynb and other small fixes
* Revise pytorch_save_and_load_onnx.ipynb and other small fixese
* Revise pytorch_save_and_load_openvino.ipynb
* Revise quantize_pytorch_inference_inc.ipynb and other small fixes
* Revise quantize_pytorch_inference_pot.ipynb and other small fixes
* Fix failed links in the index page
* Small fixes
* Update based on comments
* Revise PyTorch Inference key feature doc regarding context manager
* Small fixes and revise the installation notes
* Small fix
* Update based on comments
* Update based on comments
* Remove deprecated option enable_auto_doc_ref for recommonmark
* Add first level navigation structure for Nano how-to guides
* Update navigation for How-to Training part
* Update navigation for How-to Inference part
* Update navigation for How-to Preprocessing/Install part and other small fixes
* Fix wrong link path caused by position changes of how-to install related guides
* Small fix
* Add basic structure for tf bf16 infer how-to guide
* Add how-to use BFloat16 mixed precision for TensorFlow Keras inference
* Small fixes
* Add instruction requires box
* Add outputs to show inference time diff
* Small fixes regarding hardware requirements and others
* Update based on comments
* Small fixes
* Small fixes
* Small fixes to (un)patch_tensorflow api doc and make its import path in api doc show as the recommended one
* Add api doc for nano_bf16 decorator
* Move api doc for bigdl.nano.tf.keras.InferenceOptimizer out of bigdl.nano.tf.keras to make it more clear
* Fix python styles
* Fix path in Nano PyTorch API docs
* Add api doc for bigdl.nano.pytorch.patching.patch_encryption
* Add a note box for bigdl.nano.pytorch.patching.patch_encryption api doc
* Fix Python style again
* Fix path in Nano HPO API doc and other small fixes