update logo and readme

README.md

@@ -4,7 +4,7 @@
 
 # ![brpc](docs/images/logo.png)
 
-An industrial-grade RPC framework used throughout [Baidu](http://ir.baidu.com/phoenix.zhtml?c=188488&p=irol-irhome), with 1,000,000+ instances(not counting clients) and thousands kinds of services, called "**baidu-rpc**" inside Baidu. Only C++ implementation is opensourced right now.
+An industrial-grade RPC framework used throughout [Baidu](http://ir.baidu.com/phoenix.zhtml?c=188488&p=irol-irhome), with 1,000,000+ instances(not counting clients) and thousands kinds of services. "brpc" means "better RPC".
 
 You can use it to:
 * Build a server that can talk in multiple protocols (**on same port**), or access all sorts of services

README_cn.md

@@ -4,7 +4,7 @@
 
 # ![brpc](docs/images/logo.png)
 
-百度内最常使用的工业级RPC框架, 有1,000,000+个实例(不包含client)和上千种多种服务, 在百度内叫做"**baidu-rpc**". 目前只开源C++版本。
+百度内最常使用的工业级RPC框架, 有1,000,000+个实例(不包含client)和上千种多种服务。"brpc"的含义是"better RPC"。
 
 你可以使用它：