I'm generating an rpm file for centos but when I try to install it on a clean machine it fails with: --> Running transaction check ---> Package grass.x86_64 0:6.4.4-1.el6 will be installed...

I'm looking to create some visualisations for my neo4j data, and there are some really nice settings in use in the browser that's bundled with it, but there seem less than straightforward to emulat...