Update lncli flags#52

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valentinewallace wants to merge 2 commits intolightninglabs:masterfrom

valentinewallace:update-lncli-flags

Commits on Aug 29, 2018

Update docker guide, grpc guides and tutorial to include network flag for lncli.
valentinewallace
committed
Update macaroon paths in guides and tutorial.
valentinewallace
committed