Fix check_oplog check#230

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skeemink wants to merge 3 commits intomzupan:masterfrom

bolcom:fix-oplog

Commits on Apr 1, 2017

Fix the authentication on the PRIMARY server
pnedkov
committed

Commits on Sep 18, 2017

db.system.namespaces is deprecated, maxSize is correct value for storage size
Sander Keemink
committed
merge pull request to fix check_repl_lag
skeemink
committed