Version checker for django 1.8 / modeltranslation 0.8.1

conf.diff

diff --git a/mezzanine/utils/conf.py b/mezzanine/utils/conf.py
index 1f9c321..5d8bef2 100644
--- a/mezzanine/utils/conf.py
+++ b/mezzanine/utils/conf.py
@@ -110,9 +110,15 @@ def set_dynamic_settings(s):
             warn("USE_MODETRANSLATION setting is set to True but django-"
                     "modeltranslation is not installed. Disabling it.")
         else:
-            # Force i18n so we are assured that modeltranslation is active
-            s["USE_I18N"] = True
-            append("INSTALLED_APPS", "modeltranslation")
+            import django.VERSION as dVERSION
+            import modeltranslation.VERSION as mVERSION
+            if dVERSION > (1,8) and mVERSION < (0,8,2):
+                # Modeltranslation 0.8.1 is not compatible with django 1.8
+                remove("INSTALLED_APPS", "modeltranslation")
+            else:
+                # Force i18n so we are assured that modeltranslation is active
+                s["USE_I18N"] = True
+                append("INSTALLED_APPS", "modeltranslation")
 
     # Setup for optional apps.
     optional = list(s.get("OPTIONAL_APPS", []))