* remove onnx-tensorrt submodule

* add new onnx-tensorrt submodule (experiment) for trt6

* update engine build for trt6

* update compile and compute for tensorrt6.0

* Update tensorrt_execution_provider.cc

* Update tensorrt_execution_provider.cc

* Update tensorrt_execution_provider.cc

* Update tensorrt_execution_provider.cc

* switch to onnx-tensorrt master for TensorRT6'

* Update tensorrt_execution_provider.cc

* Handle dynamic batch size and add memcpy in TensorRT EP

* update test cases

* Update tensorrt_execution_provider.cc

* update onnx-tensorrt submodule

* Update Dockerfile.ubuntu_tensorrt

* Update Dockerfile.ubuntu_tensorrt

* Update run_dockerbuild.sh

* Update run_dockerbuild.sh

* Update install_ubuntu.sh

* Update concat_op_test.cc

* Update tensorrt_execution_provider.cc

* Upgrade TensorRT to version 6.0.1.5

* Update onnxruntime_providers.cmake

* Update CMakeLists.txt

* Update reduction_ops_test.cc

* Update install_ubuntu.sh

* Update Dockerfile.ubuntu_tensorrt

* Update Dockerfile.tensorrt

* Update BUILD.md

* Update run_dockerbuild.sh

* Update install_ubuntu.sh

* Update onnxruntime_providers.cmake

* Update install_ubuntu.sh

* Update install_ubuntu.sh

* Update gemm_test.cc

* Update gather_op_test.cc

* Update CMakeLists.txt

* Removed submodule

* update onnx-tensorrt submodule

* update header file

* Removed submodule

* add submodule onnx-tensorrt kevin's branch shape-test'

* add debugging code

* Update tensorrt_execution_provider.cc

* Update tensorrt_execution_provider.cc

* merge master

* Removed submodule

* update onnx-tensorrt submodule

* add more changes for dynamic shapes

* Update tensorrt_execution_provider.cc

* update for dynamic shape

* update dynamic shape processing

* fix logger issue

* remove submodule onnx-tensorrt

* add submodule onnx-tensorrt

* add env variable min_subgraph_size

* remove redundency

* update document

* use onnxruntime::make_unique

* fix multi-run issue

* remove some tests to save CI build time

* Add dynamic shape test

* Update TensorRT-ExecutionProvider.md

* Add example of running Faster R-CNN model on TensorRT EP

* Add more details on env variables

* update environment variables

* Update tensorrt_basic_test.cc

* Update model tests

* Update tensor_op_test.cc

* remove --use_full_protobuf

* Update build.py