new console_script to update the license of a project

[deven367]

This PR allows the user to update the license of the project. In doing so, it updates the LICENSE and changes the value in settings.ini. Also, it will be a potential fix for #1380 .

cc @jph00 @hamelsmu

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[deven367]

cc @hamelsmu can you please take a look at this?

[jph00]

Thank you!