Changed Python quickstarts and tutorials to use V2 SDK

[cartertinney]

Purpose

• Modified quickstarts and tutorials to use the new V2 Python SDK

Does this introduce a breaking change?

[x] Yes
[ ] No

Pull Request Type

What kind of change does this Pull Request introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[x] Other... Please describe:

Entirely adjusted existing files to use a new API, as the old one is now deprecated

How to Test

• Get the code

git clone https://github.com/cartertinney/azure-iot-samples-python.git
cd azure-iot-samples-python
git checkout quickstart-v2

• Install the new V2 Python SDK

pip install azure-iot-device

• Run the quickstart files

What to Check

Verify that the following are valid

• The quickstarts run

[pierreca]

[BertKleewein]