Fixed basic Survey access check.
Also enabled this check for all relevant Views. However ProjectSurveys and subclasses still need an additional check. A stub for this has been added to the access module.
from django.db.backends import BaseDatabaseClient
from django.conf import settings
import os
class DatabaseClient(BaseDatabaseClient):
executable_name = 'sqlite3'
def runshell(self):
args = ['', settings.DATABASE_NAME]
os.execvp(self.executable_name, args)