Remove confirmed_lsn from struct node
recovery refactoring: replace mh_cluster with struct vclock
Merge branch 'lsntab-refactoring'

Conflicts:
	src/CMakeLists.txt
	src/box/recovery.h
	src/box/replication.cc
	src/lua/info.cc
Merge branch 'master' of github.com:tarantool/tarantool