ITU-MiniTwit 1.0.0

Initial release upgrading python2 to python3 as well as refactoring control.sh and minitwit.py as well as minitwit_test.py to use python3 features instead of python2

Werkzeug module updated >= version 3.0.0
jinja2 updated >= version 3.0.0
Flask updated >= version 3.0.0