[AESH-274] Update README to Markdown to Asciidoc.

Author: danielsoro

README.asciidoc

@@ -0,0 +1,14 @@
+== Æsh Extensions
+
+image:https://travis-ci.org/aeshell/aesh-extensions.svg?branch=master["Build Status", link="https://travis-ci.org/aeshell/aesh-extensions"]
+
+How to build:
+-------------
+- Æsh Extensions uses Gradle (http://gradle.org) as its build tool.
+* When you start a Gradle build via the wrapper [gradlew], Gradle will be automatically downloaded and used to run the build
+*** Windows: gradlew.bat 
+*** Linux: gradlew
+
+Æsh Developer List:
+------------------
+https://groups.google.com/forum/#!forum/aesh-dev

README.md

@@ -42,7 +42,7 @@ public static void main(String[] args) throws IOException {
         PrintWriter out = new PrintWriter(System.out);
 
         final Man man = new Man(exampleConsole);
-        //man.addPage(new File("/tmp/README.md"), "test");
+        //man.addPage(new File("/tmp/README.asciidoc"), "test");
 
         final Harlem harlem = new Harlem(exampleConsole);