Cleanup .pyc and .DS_Store, add new modules, remove legacy services

common/extensions.py

@@ -2,7 +2,6 @@ from flask_sqlalchemy import SQLAlchemy
 from flask_migrate import Migrate
 from flask_bootstrap import Bootstrap
 from flask_security import Security
-from flask_mailman import Mail
 from flask_login import LoginManager
 from flask_cors import CORS
 from flask_jwt_extended import JWTManager
@@ -23,7 +22,6 @@ migrate = Migrate()
 bootstrap = Bootstrap()
 csrf = CSRFProtect()
 security = Security()
-mail = Mail()
 login_manager = LoginManager()
 cors = CORS()
 jwt = JWTManager()