Refactoring: rename covid19 to flask_covid19

scripts/script_get_python_requirements_from_txt.py

 #!/usr/bin/env python
 
 import os
-import sys
 import subprocess
 import logging
-from setuptools import setup, find_packages
 
 
 def get_python_requirements_from_txt():

scripts/script_npm_install.py

 #!/usr/bin/env python
 
-import os
-import sys
 import subprocess
 import logging
-from setuptools import setup, find_packages
 
 
 def run_npm_install():

scripts/script_setup_requirements.py

 #!/usr/bin/env python
 
 import os
-import sys
 import subprocess
 import logging
-from setuptools import setup, find_packages
 
 
 def run_compile_requirements():