ensure a node sleeps a lease period on startup if another node was previously the master
(this backports some changes from the 1.7 branch)
Merge pull request #483 from Incubaid/ARA-64

ensure a node sleeps a lease period on startup if another node was previ...
Merge branch 'incubaid-1.6' into incubaid-throttling_copy

Conflicts:
	src/node/dump_store.ml