Add insecure registries to docker info

Signed-off-by: Tomasz Kopczynski <tomek@kopczynski.net.pl>

docs/reference/commandline/info.md

@@ -62,6 +62,9 @@ For example:
     Registry: [https://index.docker.io/v1/]
     Labels:
      storage=ssd
+    Insecure registries:
+     myinsecurehost:5000
+     127.0.0.0/8
 
 The global `-D` option tells all `docker` commands to output debug information.
 

man/docker-info.1.md

@@ -59,6 +59,9 @@ Here is a sample output:
     Debug mode (server): false
     Username: xyz
     Registry: https://index.docker.io/v1/
+    Insecure registries:
+     myinsecurehost:5000
+     127.0.0.0/8
 	
 # HISTORY
 April 2014, Originally compiled by William Henry (whenry at redhat dot com)