Next round of code and coding style fixes

lib/hawat/__init__.py

lib/hawat/acl.py

lib/hawat/app.py

lib/hawat/base.py

lib/hawat/blueprints/auth/__init__.py

lib/hawat/blueprints/auth/test/__init__.py

lib/hawat/blueprints/auth_api/__init__.py

lib/hawat/blueprints/auth_api/test/__init__.py

lib/hawat/blueprints/auth_dev/__init__.py

lib/hawat/blueprints/auth_dev/forms.py

lib/hawat/blueprints/auth_dev/test/__init__.py

lib/hawat/blueprints/auth_env/__init__.py

lib/hawat/blueprints/auth_env/forms.py

lib/hawat/blueprints/auth_env/test/__init__.py

lib/hawat/blueprints/auth_pwd/__init__.py

lib/hawat/blueprints/auth_pwd/forms.py

lib/hawat/blueprints/auth_pwd/test/__init__.py

lib/hawat/blueprints/changelogs/__init__.py

lib/hawat/blueprints/changelogs/forms.py

lib/hawat/blueprints/changelogs/test/__init__.py