Dockerfiles for TensorRT, CUDA, build from source (#922)

* dockerfile updates for BYOC scenario

* updates for 3 different build versions

* updating to remove libopenblas, python3, python3-pip

* Including LICENSE-IMAGE.txt for CUDA/TensorRT dockerfiles

* remove unnecessary cmake files

* fixing comment typo

* optimizing dockerfile.source as per review suggestions (not working currently)

* Optimizing dockerfiles with install_dependencies script

* update dockerfile with --cmake_extra_defines version number

* add &&\ for license copy lines

* updates, adding miniconda to path, reincluded clearing the pycache

* adding maintainer note

* update readme instructions

* update tensorrt versioning in dockerfile