Add getServerInfo(name) and rework plugin channel system for stupud Bukkit limitations.

api/src/main/java/net/md_5/bungee/api/ProxyServer.java

@@ -87,6 +87,14 @@ public abstract class ProxyServer
      */
     public abstract Map<String, ServerInfo> getServers();
 
+    /**
+     * Gets the server info of a server.
+     *
+     * @param name the name of the configured server
+     * @return the server info belonging to the specified server
+     */
+    public abstract ServerInfo getServerInfo(String name);
+
     /**
      * Get the {@link PluginManager} associated with loading plugins and
      * dispatching events. It is recommended that implementations use the