Reformat README. Add compile requirements (#379)

* Reformat README. Add compile requirements

* Expand the list of required packages for a successful compilation

* Renamed README to README.md  (Default name in github)

README.md

@@ -40,8 +40,8 @@ by the single SoftEther VPN Server program.
 More details on http://www.softether.org/.
 
 
-BOARD MEMBERS OF THIS REPOSITORY
---------------------------------
+# BOARD MEMBERS OF THIS REPOSITORY
+
 
 Daiyuu Nobori (Since Jan 2, 2014)
 https://github.com/dnobori
@@ -57,8 +57,8 @@ https://github.com/GildedHonour
 
 
 
-SOFTETHER VPN ADVANTAGES
-------------------------
+# SOFTETHER VPN ADVANTAGES
+
 
 - Supporting all popular VPN protocols by the single VPN server:
   SSL-VPN (HTTPS)
@@ -97,8 +97,7 @@ SOFTETHER VPN ADVANTAGES
 - More details at http://www.softether.org/.
 
 
-GETTING STARTED
----------------
+# GETTING STARTED
 
 Visit the SoftEther VPN Project official web site at first:
         http://www.softether.org/
@@ -111,8 +110,7 @@ To build from the source,
 see "BUILD_UNIX.TXT" or "BUILD_WINDOWS.TXT" files.
 
 
-HOW TO DOWNLOAD THE LATEST SOURCE CODE PACKAGE
-----------------------------------------------
+# HOW TO DOWNLOAD THE LATEST SOURCE CODE PACKAGE
 
 Go to http://www.softether-download.com/ and you can find the latest
 source-code package file in both .ZIP and .TAR.GZ format.
@@ -120,8 +118,7 @@ source-code package file in both .ZIP and .TAR.GZ format.
 This is the easiest way to obtain the source code of SoftEther VPN.
 
 
-HOW TO GET THE LATEST SOURCE CODE TREE FOR DEVELOPERS
------------------------------------------------------
+# HOW TO GET THE LATEST SOURCE CODE TREE FOR DEVELOPERS
 
 If you are an open-source developer, visit our GitHub repository:
 https://github.com/SoftEtherVPN/SoftEtherVPN/
@@ -129,17 +126,40 @@ https://github.com/SoftEtherVPN/SoftEtherVPN/
 You can download the up-to-date source-code tree of SoftEther VPN
 from GitHub. You may make your own fork project from our project.
 
-The download and build instruction is following:
 
+
+##  Requirements
+
+### 1. Debian/Ubuntu
+
+- gcc
+- libncurses-dev
+- libreadline-dev
+- make
+- openssl-dev
+
+### 2. Redhat/CentOS
+- gcc
+- openssl-devel
+- make
+- ncurses-devel
+- readline-devel
+## Compile and install
+
+The download and build instruction is following:
+ 
+```sh
 $ git clone https://github.com/SoftEtherVPN/SoftEtherVPN.git
 $ cd SoftEtherVPN
 $ ./configure
 $ make
 $ make install
+```
 
 
-TO CIRCUMVENT YOUR GOVERNMENT'S FIREWALL RESTRICTION
-----------------------------------------------------
+ 
+
+# TO CIRCUMVENT YOUR GOVERNMENT'S FIREWALL RESTRICTION
 
 Because SoftEther VPN is overly strong tool to build a VPN tunnel,
 some censorship governments want to block your access to the source code
@@ -153,13 +173,13 @@ on all the following open-source repositories:
     https://github.com/SoftEtherVPN/SoftEtherVPN/
 
 To fetch the source code from GitHub:
+```
 $ git clone https://github.com/SoftEtherVPN/SoftEtherVPN.git
-
+```
 We hope that you can reach one of the above URLs at least!
 
 
-SOURCE CODE CONTRIBUTION
-------------------------
+# SOURCE CODE CONTRIBUTION
 
 Your contribution to SoftEther VPN Project is much appreciated.
 Please send patches to us through GitHub.
@@ -167,8 +187,7 @@ Read the SoftEther VPN Patch Acceptance Policy in advance:
 http://www.softether.org/5-download/src/9.patch
 
 
-DEAR SECURITY EXPERTS
----------------------
+# DEAR SECURITY EXPERTS
 
 If you find a bug or a security vulnerability please kindly inform us
 about the problem immediately so that we can fix the security problem
@@ -182,8 +201,7 @@ inquiry address. If you need technical assistance, please visit
 http://www.softether.org/ and ask your question on the users forum.
 
 
-DISCLAIMER
-----------
+# DISCLAIMER
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF