Replace "one-time token" with "invitation token"

- documentation changes
- code changes (for teleport --help)

Fixes #1654

docs/1.3/admin-guide.md

@@ -105,7 +105,7 @@ Flags:
       --advertise-ip  IP to advertise to clients if running behind NAT
   -l, --listen-ip     IP address to bind to [0.0.0.0]
       --auth-server   Address of the auth server [127.0.0.1:3025]
-      --token         One-time token to register with an auth server [none]
+      --token         Invitation token to join a cluster [none]
       --nodename      Name of this node, defaults to hostname
   -c, --config        Path to a configuration file [/etc/teleport.yaml]
       --labels        List of labels for this node
@@ -161,7 +161,7 @@ teleport:
     # authentication (if using the default BoltDB back-end)
     data_dir: /var/lib/teleport
 
-    # one-time invitation token used to join a cluster. it is not used on 
+    # Invitation token used to join a cluster. it is not used on 
     # subsequent starts
     auth_token: xxxx-token-xxxx
 

docs/2.0/admin-guide.md

@@ -111,7 +111,7 @@ Flags:
       --advertise-ip     IP to advertise to clients if running behind NAT
   -l, --listen-ip        IP address to bind to [0.0.0.0]
       --auth-server      Address of the auth server [127.0.0.1:3025]
-      --token            One-time token to register with an auth server [none]
+      --token            Invitation token to join a cluster [none]
       --nodename         Name of this node, defaults to hostname
   -c, --config           Path to a configuration file [/etc/teleport.yaml]
       --labels           List of labels for this node
@@ -173,7 +173,7 @@ teleport:
     # authentication (if using the default BoltDB back-end)
     data_dir: /var/lib/teleport
 
-    # one-time invitation token used to join a cluster. it is not used on 
+    # Invitation token used to join a cluster. it is not used on 
     # subsequent starts
     auth_token: xxxx-token-xxxx
 

docs/2.3/admin-guide.md

@@ -111,7 +111,7 @@ Flags:
       --advertise-ip     IP to advertise to clients if running behind NAT
   -l, --listen-ip        IP address to bind to [0.0.0.0]
       --auth-server      Address of the auth server [127.0.0.1:3025]
-      --token            One-time token to register with an auth server [none]
+      --token            Invitation token to join a cluster [none]
       --nodename         Name of this node, defaults to hostname
   -c, --config           Path to a configuration file [/etc/teleport.yaml]
       --labels           List of labels for this node
@@ -178,7 +178,7 @@ teleport:
     # authentication (if using the default BoltDB back-end)
     data_dir: /var/lib/teleport
 
-    # one-time invitation token used to join a cluster. it is not used on
+    # Invitation token used to join a cluster. it is not used on
     # subsequent starts
     auth_token: xxxx-token-xxxx
 

docs/2.4/admin-guide.md

@@ -111,7 +111,7 @@ Flags:
       --advertise-ip     IP to advertise to clients if running behind NAT
   -l, --listen-ip        IP address to bind to [0.0.0.0]
       --auth-server      Address of the auth server [127.0.0.1:3025]
-      --token            One-time token to register with an auth server [none]
+      --token            Invitation token to join a cluster [none]
       --nodename         Name of this node, defaults to hostname
   -c, --config           Path to a configuration file [/etc/teleport.yaml]
       --labels           List of labels for this node
@@ -178,7 +178,7 @@ teleport:
     # authentication (if using the default BoltDB back-end)
     data_dir: /var/lib/teleport
 
-    # one-time invitation token used to join a cluster. it is not used on
+    # Invitation token used to join a cluster. it is not used on
     # subsequent starts
     auth_token: xxxx-token-xxxx
 

docs/2.5/admin-guide.md

@@ -111,7 +111,7 @@ Flags:
       --advertise-ip     IP to advertise to clients if running behind NAT
   -l, --listen-ip        IP address to bind to [0.0.0.0]
       --auth-server      Address of the auth server [127.0.0.1:3025]
-      --token            One-time token to register with an auth server [none]
+      --token            Invitation token to join a cluster [none]
       --nodename         Name of this node, defaults to hostname
   -c, --config           Path to a configuration file [/etc/teleport.yaml]
       --labels           List of labels for this node
@@ -178,7 +178,7 @@ teleport:
     # authentication (if using the default BoltDB back-end)
     data_dir: /var/lib/teleport
 
-    # one-time invitation token used to join a cluster. it is not used on
+    # Invitation token used to join a cluster. it is not used on
     # subsequent starts
     auth_token: xxxx-token-xxxx
 

tool/teleport/common/teleport.go

@@ -95,7 +95,7 @@ func Run(options Options) (executedCommand string, conf *service.Config) {
 		fmt.Sprintf("Address of the auth server [%s]", defaults.AuthConnectAddr().Addr)).
 		StringVar(&ccf.AuthServerAddr)
 	start.Flag("token",
-		"One-time token to register with an auth server [none]").
+		"Invitation token to register with an auth server [none]").
 		StringVar(&ccf.AuthToken)
 	start.Flag("nodename",
 		"Name of this node, defaults to hostname").