Revert "Make sure we can see memcache errors"

This reverts commit fe455b016d5f9a1fe02b9271688e965fd275d74a.
Turn lock logging off
Backport proxy handling from reddit

The ELB's will appear internally as a 10. address. This new code allows that to be trusted so that request.ip is set to the real address of the client instead of the load balancer.

[#45114243]