- remove changelog from init script
    - added many spec file fixes from Sarantis Paskalis <paskalis@di.uoa.gr>:
    - remove unnecessary perl invocation
    - fix Requires(pre), (post), (preun) and (postun) for scriptlets
    - fix rpmlint 'conffile-marked-as-executable'
    - fix other stuff, so that it can actually be installed and erased
    - do not remove user/group on erase because due to logs remaining
    - major cleanup of the spec file