Implement the relay channel and command for generating tokens

conf/example/config.json

@@ -4,12 +4,17 @@
         "Address": "127.0.0.1",
         "UseSSL": true
     },
+    "Relay": {
+        "Enabled": true,
+        "Port": 13868,
+        "Address": "127.0.0.1",
+        "UseSSL": true
+    },
     "Key": "key.pem",
     "Certificate": "cert.pem",
     "RedisSocket": "/tmp/redis.sock",
     "UsePassword": true,
     "ConnectOnCreate": false,
-    "RelayPassword": "s",
     "Notifications": {
         "Highlight": true,
         "Connection": true,

conf/example/tokens.json

@@ -0,0 +1 @@
+{}

conf/help.json

@@ -24,5 +24,6 @@
     "relay": "relay <add|del|list> [<relay> <host> <port> <user> <password>]",
     "network": "network <add|del|list> [<name> <address> <port> <ssl|plain> <sasl|ns|none>]",
     "provision": "provision <relay> <alias> [<network>]",
-    "cmd": "cmd <relay> <user> <entity> <text ...>"
+    "cmd": "cmd <relay> <user> <entity> <text ...>",
+    "token": "token <add|del|list> [<key>] [<relay>]"
 }

conf/tokens.json

@@ -0,0 +1,7 @@
+{
+    "a": {
+        "hello": "9814a659-9241-4389-8569-8bb23c69aea5",
+        "usage": "relay",
+        "counter": "98375c39-c421-42a1-ab48-b566587513b9"
+    }
+}