Refactoring: HawatApp -> VialApp.

lib/hawat/app.py

lib/hawat/base.py

lib/hawat/blueprints/auth_api/__init__.py

lib/hawat/blueprints/auth_dev/__init__.py

lib/hawat/blueprints/auth_env/__init__.py

lib/hawat/blueprints/auth_pwd/__init__.py

lib/hawat/blueprints/changelogs/__init__.py

lib/hawat/blueprints/dbstatus/__init__.py

lib/hawat/blueprints/devtools/__init__.py

lib/hawat/blueprints/dnsr/__init__.py

lib/hawat/blueprints/events/__init__.py

lib/hawat/blueprints/filters/__init__.py

lib/hawat/blueprints/geoip/__init__.py

lib/hawat/blueprints/groups/__init__.py

lib/hawat/blueprints/hosts/__init__.py

lib/hawat/blueprints/nerd/__init__.py

lib/hawat/blueprints/networks/__init__.py

lib/hawat/blueprints/pdnsr/__init__.py

lib/hawat/blueprints/performance/__init__.py

lib/hawat/blueprints/reports/__init__.py