Updated README and version

README.md

@@ -9,11 +9,6 @@
 ## Introduction
 
 A simple web application to be used as an ssh client to connect to your ssh servers. It is written in Python, base on tornado, paramiko and xterm.js.
-```
-+---------+     http     +--------+    ssh    +-----------+
-| browser | <==========> | webssh | <=======> | ssh server|
-+---------+   websocket  +--------+    ssh    +-----------+
-```
 
 ## Features
 
@@ -31,6 +26,13 @@ A simple web application to be used as an ssh client to connect to your ssh serv
 ![Terminal](https://github.com/huashengdun/webssh/raw/master/preview/terminal.png)
 
 
+### How it works
+```
++---------+     http     +--------+    ssh    +-----------+
+| browser | <==========> | webssh | <=======> | ssh server|
++---------+   websocket  +--------+    ssh    +-----------+
+```
+
 ### Requirements
 
 * Python 2.7/3.4+
@@ -44,18 +46,6 @@ A simple web application to be used as an ssh client to connect to your ssh serv
 4. Input your data, submit the form.
 
 
-### Installation options
-
-Install from the pypi repository, may not the latest version
-```
-pip install webssh
-```
-
-Install from the github repository, always the latest version
-```
-pip install https://github.com/huashengdun/webssh/archive/master.zip
-```
-
 ### Server options
 
 ```bash
@@ -78,19 +68,10 @@ wssh --help
 ### Use console
 
 ```javascript
-// set a new encoding for client to use
-wssh.set_encoding(encoding);
-
-// reset encoding to use the default one
-wssh.reset_encoding();
-
 // connect to your ssh server
 wssh.connect(hostname, port, username, password, privatekey);
 
-// without an argument, wssh will use the form data to connect
-wssh.connect();
-
-// define a mapping object
+// define a object for wssh
 var opts = {
   hostname: 'hostname',
   port: 'port',
@@ -100,6 +81,15 @@ var opts = {
 };
 wssh.connect(opts);
 
+// without an argument, wssh will use the form data to connect
+wssh.connect();
+
+// set a new encoding for client to use
+wssh.set_encoding(encoding);
+
+// reset encoding to use the default one
+wssh.reset_encoding();
+
 // send a command to the server
 wssh.send('ls -l');
 ```