update reamde

@@ -475,7 +475,7 @@ Supported operating systems and hardware:
 1. Support custom dvr path and http callback, read 
 [#179](https://github.com/winlinvip/simple-rtmp-server/issues/179) and
 [274](https://github.com/winlinvip/simple-rtmp-server/issues/274).
-1. Support rtmp remux to http flv live stream, read 
+1. Support rtmp remux to http flv/mp3/aac live stream, read 
 [#293](https://github.com/winlinvip/simple-rtmp-server/issues/293)(
 [CN](https://github.com/winlinvip/simple-rtmp-server/wiki/v2_CN_DeliveryHttpFlvStream),
 [EN](https://github.com/winlinvip/simple-rtmp-server/wiki/v2_CN_DeliveryHttpFlvStream)
@@ -515,6 +515,8 @@ Supported operating systems and hardware:
 
 ## History
 
+### SRS 2.0 history
+
 * v2.0, 2015-01-19, fix [#293](https://github.com/winlinvip/simple-rtmp-server/issues/293), support http live flv/aac/mp3 stream with fast cache. 2.0.100.
 * v2.0, 2015-01-18, fix [#293](https://github.com/winlinvip/simple-rtmp-server/issues/293), support rtmp remux to http flv live stream. 2.0.99.
 * v2.0, 2015-01-17, fix [#277](https://github.com/winlinvip/simple-rtmp-server/issues/277), refine http server refer to go http-framework. 2.0.98
@@ -574,6 +576,8 @@ Supported operating systems and hardware:
 * v2.0, 2014-10-18, remove supports for OSX(darwin). 2.0.1.
 * v2.0, 2014-10-16, revert github srs README to English. 2.0.0.
 
+### SRS 1.0 history
+
 * v1.0, 2015-01-17, hotfix [#290](https://github.com/winlinvip/simple-rtmp-server/issues/290), use iformat only for rtmp input. 1.0.22
 * <strong>v1.0, 2015-01-15, [1.0r1 release(1.0.21)](https://github.com/winlinvip/simple-rtmp-server/releases/tag/1.0r1) released. 59472 lines.</strong>
 * v1.0, 2015-01-08, hotfix [#281](https://github.com/winlinvip/simple-rtmp-server/issues/281), fix hls bug ignore type-9 send aud. 1.0.20