Merge pull request #7240 from rebeccahhh/memcache-memories

remove memcache entirely, add in some django redis to cover it's absence

Reviewed-by: https://github.com/apps/softwarefactory-project-zuul

awx/settings/defaults.py

@@ -439,10 +439,11 @@ CELERYBEAT_SCHEDULE = {
 }
 
 # Django Caching Configuration
+DJANGO_REDIS_IGNORE_EXCEPTIONS = True
 CACHES = {
     'default': {
-        'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
-        'LOCATION': 'unix:/var/run/memcached/memcached.sock'
+        'BACKEND': 'django_redis.cache.RedisCache',
+        'LOCATION': 'unix:/var/run/redis/redis.sock?db=1'
     },
 }