Add FAQ about data in modules workaround from Chris Card.
Add FAQ about data in modules workaround from Chris Card.

Chris Card send me this doc FAQ patch, which I edited slightly and
merged. Thanks!

derjohn/puppet-gluster,pulecp/puppet-gluster,rdo-puppet-modules/puppet-gluster,derjohn/puppet-gluster,rdo-puppet-modules/puppet-gluster,derjohn/puppet-gluster,pulecp/puppet-gluster,pdrakeweb/puppet-gluster,purpleidea/puppet-gluster,purpleidea/puppet-gluster,pdrakeweb/puppet-gluster,pulecp/puppet-gluster,pdrakeweb/puppet-gluster,rdo-puppet-modules/puppet-gluster,purpleidea/puppet-gluster