Audio Norm
This pull request **introduces 1 alert** when merging b5663d69d6300672c44fe37a32927240ffeb55ef into bee43e840837d7e30e17a65b972e9fe89ecb9ca5 - [view on LGTM.com](https://lgtm.com/projects/g/NVIDIA/NeMo/rev/pr-a4416774459ffc898579744c1c2ba41bbcca79c4)

**new alerts:**

* 1 for Unused import This pull request **introduces 1 alert** when merging 760e3d5b0467e9d7045611b5878d86bb91cc7e27 into 29b6dd8890d5c196ded96351607ff6642406e75a - [view on LGTM.com](https://lgtm.com/projects/g/NVIDIA/NeMo/rev/pr-de34885ba44068ab8cd60ec32eebe832ec6bda2c)

**new alerts:**

* 1 for Unused import
- added jenkins tests for the normalization_with_audio script (text only, text + audio, manifest)
- all default normalization unit tests will be executed for normalization with audio as well
- added serial class to the default normalization (deterministic): using single digits by default
- addressed [this](https://github.com/NVIDIA/NeMo/issues/2266) and partially [this](https://github.com/NVIDIA/NeMo/issues/2267) (`k` -> `kay` is not supported yet)
- more verbalization options added for cardinals and whitelist
- now all possible verbalization options are provided not only the first shortest 100