added support for different el versions
added support for different el versions

In el5, the package is "policycoreutils" and in el6 it is "policycoreutils-python", so we have to check which release we're on.
vchepkov/puppet-selinux,vchepkov/puppet-selinux,jfryman/puppet-selinux,dlevene1/puppet-selinux,vchepkov/puppet-selinux