Merge develop into refactoring/cnm

config.py

functions.py

utils/__init__.py

utils/db.py

utils/decorator.py

utils/encryption.py

utils/hash.py

utils/images.py

utils/mail.py

utils/redis.py

utils/template.py

views/__init__.py

views/adm/__init__.py

views/afis/__init__.py

views/base/__init__.py

views/donor/__init__.py

views/images/__init__.py

views/login/__init__.py

views/newuser/__init__.py

views/pianos/__init__.py