(Temporary) Unzip fix

[satazor]

Thanks a lot @carsonmcdonald

This is an ugly hack that solves the unzipping issues.
Still a proper fix should be done to the node_unzip package.
Until then, the node_unzip library will be locked down to 0.1.7.

[smukkejohan]

This is still an issue for me running 0.9.2 on Node 0.10.5.