added test and implementation for noEmptyDirectories option#9

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Aerex wants to merge 5 commits intojsantell:masterfrom

Aerex:feature/noEmptyDirectories

Commits on Jul 24, 2017

added test and implementation for noEmptyDirectories option
Aerex
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updated package.json to 1.1.2
Aerex
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update node version in travis
Aerex
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add quotes for node version
Aerex
committed
removed empty folder and use addEmpty function
Aerex
committed