Web resource optimizer plugin encodes images in css into base64, minify and merge css (project css and external css as well), minify and merge javascipts
'org.ctoolkit.maven.plugins:maven-optimizer-plugin:1.1'
<dependency>
<groupId>org.ctoolkit.maven.plugins</groupId>
<artifactId>maven-optimizer-plugin</artifactId>
<version>1.1</version>
</dependency>
<dependency org="org.ctoolkit.maven.plugins" name="maven-optimizer-plugin" rev="1.1"/>
"org.ctoolkit.maven.plugins", "maven-optimizer-plugin", "1.1"