Make release 2.0.4.

Major changes:
* Add option to display the labeled skeletons in an output image. This way, users can identify each skeleton in the image with the ID of the result tables.

Author: iarganda

pom.xml

@@ -13,7 +13,7 @@
 	</parent>
 
 	<artifactId>AnalyzeSkeleton_</artifactId>
-	<version>2.0.4-SNAPSHOT</version>
+	<version>2.0.4</version>
 
 	<name>plugins/AnalyzeSkeleton_.jar</name>
 	<description></description>