Use apt package for installing Python

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extra : amend_source : 57d7a2fbcaa16dfce0cc261e2bf4602e250e0444
Use modern syntax for octal
Use latest setuptools bootstrapping technique
Use sudo when uploading pmxbot.conf
Remove unused import
Update config to specify the port in the web conf

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extra : amend_source : 4ada3abd3dfa413786661a4f1073f0902b3b3998
Ensure that the host has a fully-qualified hostname