Enable NullCache so we can start implementing cache

ffdnispdb/__init__.py

@@ -3,6 +3,7 @@
 from flask import Flask, g
 from flask.ext.babel import Babel
 from flask.ext.sqlalchemy import SQLAlchemy, event
+from werkzeug.contrib.cache import NullCache
 from .sessions import MySessionInterface
 
 
@@ -11,6 +12,7 @@ app.config.from_object('config')
 babel = Babel(app)
 db = SQLAlchemy(app)
 app.session_interface = MySessionInterface(db.engine, db.metadata)
+cache = NullCache()
 
 @event.listens_for(db.engine, "connect")
 def connect(sqlite, connection_rec):