Added more acceptance test coverage and minor fixes to existing tests…

…; Updates to CI/CD pipeline; Added 3 new TF models and updated Torch MobileBert

Minor clean-up of code to minimize errors from static analysis (pylint)
Added more acceptance tests for a few pytorch segmentation models and applied minor fixes to previous acceptance tests
Config file and documentation updates for a pytorch MobileBert models
Releasing next package release of aimet model zoo (installable wheel file binaries)
Added code, documentation and artifacts the following new Tensorflow models: MobileNet-EdgeTPU, DeepLabV3Plus_Xception_TF2 and DeepLabV3Plus_MBNV2_TF2

quic / aimet-model-zoo