udpate readme, add edge to dev plan

@@ -37,14 +37,14 @@ git clone https://code.csdn.net/winlinvip/srs-csdn.git
 SRS(SIMPLE RTMP Server) over state-threads created in 2013.10.
 SRS(SIMPLE RTMP Server) over state-threads created in 2013.10.
 
 
 SRS is a simple, [RTMP](https://github.com/winlinvip/simple-rtmp-server/wiki/DeliveryRTMP)/[HLS](https://github.com/winlinvip/simple-rtmp-server/wiki/DeliveryHLS), 
 SRS is a simple, [RTMP](https://github.com/winlinvip/simple-rtmp-server/wiki/DeliveryRTMP)/[HLS](https://github.com/winlinvip/simple-rtmp-server/wiki/DeliveryHLS), 
-[high-performance](https://github.com/winlinvip/simple-rtmp-server/wiki/Performance), single/multiple(plan) processes, edge(plan)/origin live server, 
+[high-performance](https://github.com/winlinvip/simple-rtmp-server/wiki/Performance), single/multiple(plan) processes, edge/origin live server, 
 [x86/x64/arm](https://github.com/winlinvip/simple-rtmp-server/wiki/SrsLinuxArm), 
 [x86/x64/arm](https://github.com/winlinvip/simple-rtmp-server/wiki/SrsLinuxArm), 
 compile depends on [st](http://sourceforge.net/projects/state-threads)(required), [ssl](http://www.openssl.org/) and [http-parser](https://github.com/joyent/http-parser), 
 compile depends on [st](http://sourceforge.net/projects/state-threads)(required), [ssl](http://www.openssl.org/) and [http-parser](https://github.com/joyent/http-parser), 
 use [nginx](http://nginx.org/), [ffmpeg](http://ffmpeg.org/) and [cherrypy](http://www.cherrypy.org/) as external tools. that is, only need st to run srs for 
 use [nginx](http://nginx.org/), [ffmpeg](http://ffmpeg.org/) and [cherrypy](http://www.cherrypy.org/) as external tools. that is, only need st to run srs for 
 minimum run. see [Build](https://github.com/winlinvip/simple-rtmp-server/wiki/Build).
 minimum run. see [Build](https://github.com/winlinvip/simple-rtmp-server/wiki/Build).
 
 
 SRS supports [vhost](https://github.com/winlinvip/simple-rtmp-server/wiki/RtmpUrlVhost), 
 SRS supports [vhost](https://github.com/winlinvip/simple-rtmp-server/wiki/RtmpUrlVhost), 
-rtmp([encoder push](https://github.com/winlinvip/simple-rtmp-server/wiki/DeliveryRTMP), client/edge pull), [ingester(srs pull)](https://github.com/winlinvip/simple-rtmp-server/wiki/Ingest), 
+rtmp([encoder push](https://github.com/winlinvip/simple-rtmp-server/wiki/DeliveryRTMP), client/[edge](https://github.com/winlinvip/simple-rtmp-server/wiki/Edge) pull), [ingester(srs pull)](https://github.com/winlinvip/simple-rtmp-server/wiki/Ingest), 
 [HLS](https://github.com/winlinvip/simple-rtmp-server/wiki/DeliveryHLS), [HLS audio only](https://github.com/winlinvip/simple-rtmp-server/wiki/DeliveryHLS#hlsaudioonly), [transcoding](https://github.com/winlinvip/simple-rtmp-server/wiki/FFMPEG), 
 [HLS](https://github.com/winlinvip/simple-rtmp-server/wiki/DeliveryHLS), [HLS audio only](https://github.com/winlinvip/simple-rtmp-server/wiki/DeliveryHLS#hlsaudioonly), [transcoding](https://github.com/winlinvip/simple-rtmp-server/wiki/FFMPEG), 
 [forward](https://github.com/winlinvip/simple-rtmp-server/wiki/FFMPEG), [http hooks](https://github.com/winlinvip/simple-rtmp-server/wiki/HTTPCallback), [http api](https://github.com/winlinvip/simple-rtmp-server/wiki/HTTPApi), 
 [forward](https://github.com/winlinvip/simple-rtmp-server/wiki/FFMPEG), [http hooks](https://github.com/winlinvip/simple-rtmp-server/wiki/HTTPCallback), [http api](https://github.com/winlinvip/simple-rtmp-server/wiki/HTTPApi), 
 [http server](https://github.com/winlinvip/simple-rtmp-server/wiki/HTTPServer), [dvr](https://github.com/winlinvip/simple-rtmp-server/wiki/DVR), [FlashP2P](https://github.com/winlinvip/simple-rtmp-server/wiki/FlashP2P).
 [http server](https://github.com/winlinvip/simple-rtmp-server/wiki/HTTPServer), [dvr](https://github.com/winlinvip/simple-rtmp-server/wiki/DVR), [FlashP2P](https://github.com/winlinvip/simple-rtmp-server/wiki/FlashP2P).
@@ -127,7 +127,7 @@ Supported operating systems and hardware:
 ## Summary
 ## Summary
 1. Simple: also stable enough.
 1. Simple: also stable enough.
 1. [High-performance](https://github.com/winlinvip/simple-rtmp-server/wiki/Performance): single-thread, async socket, event/st-thread driven.
 1. [High-performance](https://github.com/winlinvip/simple-rtmp-server/wiki/Performance): single-thread, async socket, event/st-thread driven.
-1. Support RTMP edge server(plan), support origin server.
+1. Support RTMP [edge](https://github.com/winlinvip/simple-rtmp-server/wiki/Edge) server, support origin server.
 1. RTMP without vod streaming, live streaming only.
 1. RTMP without vod streaming, live streaming only.
 1. Support multiple processes, support single process.
 1. Support multiple processes, support single process.
 1. Support vhost, support \_\_defaultVhost\_\_.
 1. Support vhost, support \_\_defaultVhost\_\_.
@@ -160,9 +160,9 @@ Supported operating systems and hardware:
 1. Support ingest RTSP(RTP, SDP) stream to RTMP.
 1. Support ingest RTSP(RTP, SDP) stream to RTMP.
 1. Support dvr(record live to flv file for vod)
 1. Support dvr(record live to flv file for vod)
 1. Support live flashP2P(integrated by chnvideo VDN).
 1. Support live flashP2P(integrated by chnvideo VDN).
+1. [dev] Support RTMP [edge](https://github.com/winlinvip/simple-rtmp-server/wiki/Edge) server, push/pull stream from any RTMP server
 1. [plan] Support file to hls vod stream.
 1. [plan] Support file to hls vod stream.
 1. [plan] Support system full utest on gtest.
 1. [plan] Support system full utest on gtest.
-1. [plan] Support RTMP edge server, push/pull stream from any RTMP server
 1. [plan] Support multiple processes, for both origin and edge
 1. [plan] Support multiple processes, for both origin and edge
 1. [no-plan] Support adobe RTMFP(flash p2p) protocol.
 1. [no-plan] Support adobe RTMFP(flash p2p) protocol.
 1. [no-plan] Support adobe flash refer/token/swf verification.
 1. [no-plan] Support adobe flash refer/token/swf verification.