Add script for generating tar.gz of the project

Update issue 25

pom.xml

@@ -126,6 +126,26 @@
           </instructions>
         </configuration>
       </plugin>
+
+      <plugin>
+        <artifactId>maven-assembly-plugin</artifactId>
+        <version>2.2.1</version>
+        <configuration>
+	  <descriptors>
+	    <descriptor>src/assembly/project.xml</descriptor>
+	  </descriptors>
+	  <appendAssemblyId>false</appendAssemblyId>
+        </configuration>
+        <executions>
+          <execution>
+            <id>make-assembly</id> 
+            <phase>package</phase> 
+            <goals>
+              <goal>single</goal>
+            </goals>
+          </execution>
+        </executions>      
+      </plugin>
     </plugins>
 
     <extensions>

src/assembly/project.xml

@@ -0,0 +1,20 @@
+<assembly xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0" 
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0 http://maven.apache.org/xsd/assembly-1.1.0.xsd">
+  <id>project</id>
+  <formats>
+    <format>tar.gz</format>
+  </formats>
+  <fileSets>
+    <fileSet>
+      <directory>${project.basedir}</directory>
+      <outputDirectory>/</outputDirectory>
+      <useDefaultExcludes>true</useDefaultExcludes>
+      <excludes>
+        <exclude>**/*.log</exclude>
+	<exclude>**/*.settings</exclude>
+	<exclude>**/${project.build.directory}/**</exclude>
+      </excludes>
+    </fileSet>
+  </fileSets>
+</assembly>