Command line, manpage and deprecation documentation

Signed-off-by: Richard Scothern <richard.scothern@gmail.com>

docs/misc/deprecated.md

@@ -68,3 +68,7 @@ The following double-dash options are deprecated and have no replacement:
     docker ps --since-id
     docker ps --before-id
     docker search --trusted
+
+### Interacting with V1 registries
+
+Version 1.8.3 adds a flag (`--no-legacy-registry=false`) which prevents the docker daemon from `pull`, `push`, and `login` operations against v1 registries.  Though disabled by default, this signals the intent to deprecate the v1 protocol.

docs/reference/commandline/daemon.md

@@ -45,6 +45,7 @@ parent = "smn_cli"
       --log-driver="json-file"               Default driver for container logs
       --log-opt=[]                           Log driver specific options
       --mtu=0                                Set the containers network MTU
+      --no-legacy-registry=false             Do not contact legacy registries
       -p, --pidfile="/var/run/docker.pid"    Path to use for daemon PID file
       --registry-mirror=[]                   Preferred Docker registry mirror
       -s, --storage-driver=""                Storage driver to use

man/docker.1.md

@@ -125,6 +125,9 @@ unix://[/path/to/socket] to use.
 **--mtu**=VALUE
   Set the containers network mtu. Default is `0`.
 
+**--no-legacy-registry=**true|false
+  Do not contact legacy registries
+
 **-p**, **--pidfile**=""
   Path to use for daemon PID file. Default is `/var/run/docker.pid`