doc: add example for file existence with fs.stat#8585

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connium wants to merge 3 commits intonodejs:masterfrom connium:docs-6752-test-for-existence

+11

Commits on Sep 17, 2016

doc: add example for file existence with fs.stat
Christopn Noelke
committed

Commits on Oct 4, 2016

clarify doc according to discussion in pull request
Christopn Noelke
committed

Commits on Oct 7, 2016

fix line length
Christopn Noelke
committed