ceph.conf.template: add in sensible erasure coding defaults
ceph.conf.template: add in sensible erasure coding defaults

Signed-off-by: Samuel Just <8c40222f34b9721b5d5709d4ed45337913ea1c3e@inktank.com>

dmick/teuthology,dmick/teuthology,tchaikov/teuthology,ivotron/teuthology,t-miyamae/teuthology,tchaikov/teuthology,dreamhost/teuthology,SUSE/teuthology,yghannam/teuthology,zhouyuan/teuthology,robbat2/teuthology,ktdreyer/teuthology,michaelsevilla/teuthology,caibo2014/teuthology,yghannam/teuthology,ivotron/teuthology,dmick/teuthology,SUSE/teuthology,caibo2014/teuthology,michaelsevilla/teuthology,ceph/teuthology,dreamhost/teuthology,zhouyuan/teuthology,ktdreyer/teuthology,t-miyamae/teuthology,ceph/teuthology,SUSE/teuthology,robbat2/teuthology