Personal maven repository
<repositories>
<repository>
<id>wayofspark-github</id>
<url>https://github.com/wayofspark/maven-repository/raw/master/releases</url>
</repository>
</repositories>
<dependency>
<groupId>ro.isdc.wro4j</groupId>
<artifactId>wro4j-extensions-java5</artifactId>
<version>1.4.9</version>
</dependency>