http://www.yegor256.com/2014/06/26/sass-in-java-webapp.html
http://mvnrepository.com/artifact/org.jasig.maven/sass-maven-plugin/1.1.1
<dependency>
<groupId>org.jasig.maven</groupId>
<artifactId>sass-maven-plugin</artifactId>
<version>1.1.1</version>
</dependency>