Password protection of admin pages, publish-switch and small fixes

app/__init__.py

@@ -2,11 +2,13 @@ from flask import Flask
 from flask_bootstrap import Bootstrap
 from flaskext.markdown import Markdown
 from flask_sqlalchemy import SQLAlchemy
+from flask_basicauth import BasicAuth
 
 app = Flask(__name__)
 app.config.from_object('config')
 Bootstrap(app)
 Markdown(app)
+basic_auth = BasicAuth(app)
 db = SQLAlchemy(app)
 
 from . import views, models