TOOLS-306 mongoimport/mongorestore should support write concern

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• Closed

TOOLS-327 Replace --w with --writeConcern

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• Closed

TOOLS-386 add --writeConcern flag to mongofiles

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• Closed

TOOLS-333 Mongorestore should default to w=majority

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• Closed

TOOLS-76 mongoimport should default to w:majority

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• Closed