remove the not-supported features, add bug #163, #164.

@@ -162,17 +162,6 @@ vhost same.edge.srs.com {
     # default: off
     token_traverse  off;
 }
-# vhost for edge, change vhost.
-vhost change.edge.srs.com {
-    mode            remote;
-    # TODO: FIXME: support extra params.
-    origin          127.0.0.1:1935 localhost:1935 {
-        # specify the vhost to override the vhost in client request.
-        vhost       edge2.srs.com;
-        # specify the refer(pageUrl) to override the refer in client request.
-        refer       http://srs/index.html;
-    }
-}
 
 # vhost for dvr
 vhost dvr.srs.com {
@@ -463,19 +452,6 @@ vhost same.vhost.forward.srs.com {
     # if vhost not specified, use the request vhost instead.
     forward         127.0.0.1:1936 127.0.0.1:1937;
 }
-# TODO: FIXME: support extra params.
-# [plan] the vhost which forward publish streams to other vhosts.
-vhost change.vhost.forward.srs.com {
-    forward         127.0.0.1:1936 127.0.0.1:1937 {
-        # specify the vhost to override the vhost in client request.
-        vhost       forward2.srs.com;
-        # specify the refer(pageUrl) to override the refer in client request.
-        refer       http://srs/index.html;
-    }
-    forward         127.0.0.1:1938 {
-        vhost       forward3.srs.com;
-    }
-}
 
 # the mirror filter of ffmpeg, @see: http://ffmpeg.org/ffmpeg-filters.html#Filtering-Introduction
 vhost mirror.transcode.srs.com {