added readme

readme.md

+# Maven parent pom
+This is a project designed to make building deployable maven JARs easier. It sets up the requirements for central for your project.
+
+## What does it do?
+* Java build version is set at 1.8
+* The release profile (mvn -P release package) will build javadoc and source jars
+* The release profile will prompt you to do GPG signing
+* Sets branding related values (organisation, urls, etc...)
+* Sets the project licence to GPLv3
+* Configures the build for OSSRH deployment
+
+## What should I change?
+If you're using this for your project - there are a few properties you should change:
+
+### What should I change?
+* name - set to the name of your project
+* description - set to a brief description of your project
+* url - set this to your git repo or microsite
+* developers - set this to you (by default it's webpigeon)
+
+## Usage
+Include the following as an element in your pom.xml file:
+
+```xml
+<!-- Use FOSS Galaxy's parent POM to do most of the build setup for us -->
+<parent>
+	<groupId>com.fossgalaxy.common</groupId>
+	<artifactId>parent-pom</artifactId>
+	<version>0.1</version>
+</parent>
+```
+