Network: add all+server+channels and all+channels commands (#1305)

* Network: add all+server+channels and all+channels commands

* Network: fix up commands for PR as per @GLolol

* Network: fix syntax docs, style, use irc.state.channels, not its keys

* move acmd to Admin, remove cmdallchans, can be used by 'cmdall acmd ...'

plugins/Admin/plugin.py

@@ -350,6 +350,16 @@ class Admin(callbacks.Plugin):
         irc.replySuccess()
     clearq = wrap(clearq)
 
+    def acmd(self, irc, msg, args, commandAndArgs):
+        """<command> [<arg> ...]
+
+        Perform <command> (with associated <arg>s on all channels on current network."""
+        for channel in irc.state.channels:
+            msg.args[0] = channel
+            self.Proxy(irc, msg, commandAndArgs)
+    acmd = wrap(acmd, ['admin', many('something')])
+
+
 
 
 Class = Admin

plugins/Network/plugin.py

@@ -157,7 +157,7 @@ class Network(callbacks.Plugin):
     command = wrap(command, ['admin', ('networkIrc', True), many('something')])
     
     def cmdall(self, irc, msg, args, commandAndArgs):
-        """<command> <args>...
+        """<command> [<arg> ...]
         
         Perform <command> (with its associated <arg>s) on all networks.
         """
@@ -165,7 +165,7 @@ class Network(callbacks.Plugin):
         for ircd in ircs:
             self.Proxy(ircd, msg, commandAndArgs)
     cmdall = wrap(cmdall, ['admin', many('something')])
-    
+
     ###
     # whois command-related stuff.
     ###