Revert "Make daemon to start with no userlandproxy by default"

This reverts commit bf2b8ec8165468d7454f6bd86f4a78e7e8b58d8e.

Signed-off-by: Jessica Frazelle <acidburn@docker.com>

docs/reference/commandline/daemon.md

@@ -56,7 +56,7 @@ weight=1
       --tlscert="~/.docker/cert.pem"         Path to TLS certificate file
       --tlskey="~/.docker/key.pem"           Path to TLS key file
       --tlsverify=false                      Use TLS and verify the remote
-      --userland-proxy=false                  Use userland proxy for loopback traffic
+      --userland-proxy=true                  Use userland proxy for loopback traffic
 
 Options with [] may be specified multiple times.
 

man/docker.1.md

@@ -162,7 +162,7 @@ unix://[/path/to/socket] to use.
   Default is false.
 
 **--userland-proxy**=*true*|*false*
-    Rely on a userland proxy implementation for inter-container and outside-to-container loopback communications. Default is false.
+    Rely on a userland proxy implementation for inter-container and outside-to-container loopback communications. Default is true.
 
 **-v**, **--version**=*true*|*false*
   Print version information and quit. Default is false.