signup captcha support + privacy/terms support

cookbook/helper/context_processors.py

@@ -0,0 +1,12 @@
+from django.conf import settings
+
+
+def context_settings(request):
+    return {
+        'EMAIL_ENABLED': settings.EMAIL_HOST != '',
+        'SIGNUP_ENABLED': settings.ENABLE_SIGNUP,
+        'CAPTCHA_ENABLED': settings.HCAPTCHA_SITEKEY != '',
+        'TERMS_URL': settings.TERMS_URL,
+        'PRIVACY_URL': settings.PRIVACY_URL,
+        'IMPRINT_URL': settings.IMPRINT_URL,
+    }