Enable /etc/hosts support in dnsmasq
Set ferm status using debconf before installation
Change list of iptables modules enabled in OpenVZ

In 'openvz' role, a variable 'openvz_iptables' defines a list of
iptables modules to be enabled by default. Provided list should work
with default 'ferm' firewall configuration.
Merge pull request #58 from drybjed/bugfixes

Various bugfixes in ferm, dnsmasq and openvz roles