Add Google Analytics support to Site Settings. The reason I created additional SettingsValidationForm is because you cannot inherit from Form that has already defined Meta class, so it's sort of workaround for that. I didn't want to have same validation functions in both Form classes.
Patch by: Pawel Solyga
Review by: to-be-reviewed
import os, sys
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
import pkg_resources
pkg_resources.require('WebOb')