Update readme.md

Including build instruction (fix #61), how to use JavaParser as a dependency
diff --git a/readme.md b/readme.md
index 307f086..6d31cf8 100644
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+++ b/readme.md
@@ -18,10 +18,33 @@
 This package contains a Java 1.7 Parser with AST generation and visitor support. 

 The AST records the source code structure, javadoc and comments.

 

+## Use JavaParser in my Maven-based project

+

+'''

+<dependency>

+    <groupId>com.google.code.javaparser</groupId>

+    <artifactId>javaparser</artifactId>

+    <version>1.0.11</version>

+</dependency>

+'''

+

+## How to build

+

+'''

+mvn javacc:javacc

+mvn clean install

+'''

+

+If you have problems, please feel free to open an issue.

+

+## Javadoc

+

+Javadoc is available at [http://matozoid.github.io/javaparser/javadoc-current/](http://matozoid.github.io/javaparser/javadoc-current/)

+

+## History

+

 This parser is based on Sreenivasa Viswanadha's Java 1.5 parser.

 

 The project was originally hosted at http://code.google.com/p/javaparser/ but 

 seemed dead. This repository at https://github.com/matozoid/javaparser keeps 

 the code alive.

-

-Javadoc is available at [http://matozoid.github.io/javaparser/javadoc-current/](http://matozoid.github.io/javaparser/javadoc-current/)