marsadm: prevent only _new_ split brains
marsadm: fix leave-resource
all: terminology apply->replay
infra: add flood protected syslogging
light: add per-resource emergency mode
light: add info symlinks
light: show connection info
copy: add timestamp of last advance
light: show new {fetch,sync} info
marsadm: path correction / systematic naming conventions
light: allow limiting the sync parallelism
marsadm: implement new 'view' command
zzz debug
doc: update
Changelog (incomplete)